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Shrimp & Sweet Potato Shepherd’s Pie: Your New Coastal Comfort Food Obsession

Hey there, friend! Let’s talk about that magical moment when you pull a dish from the oven that’s not just dinner, but a full-blown experience. You know the one. It’s bubbling at the edges, the top is perfectly golden, and the aroma that wafts up is a promise of pure, unadulterated comfort. That’s the exact feeling I’m chasing every time I step into my kitchen, and it’s the heart and soul behind this Shrimp & Sweet Potato Shepherd’s Pie.

Now, I know what you might be thinking: Shepherd’s Pie… with *shrimp*? Trust me, I was a skeptic at first, too. The classic version, with its savory lamb and fluffy potato crown, holds a very dear place in my heart. But one blustery evening, craving something hearty from the sea, a little spark of “what if?” went off. What if we swapped the traditional filling for plump, juicy shrimp swimming in a creamy, herb-kissed white wine sauce? And what if, instead of regular potatoes, we blanketed it all with a cloud of velvety, slightly sweet mashed sweet potatoes?

Friends, the result was nothing short of a cozy revelation. This dish is the love child of a decadent seafood casserole and the humble shepherd’s pie, all dressed up for a cozy coastal holiday. It’s rich and satisfying, but the sweet potato and bright shrimp keep it feeling fresh and a little elevated. It’s the perfect answer for those nights when you want a meal that feels special without requiring a full-day kitchen marathon. So, tie on that apron, and let’s cook up something truly amazing together.

A Happy Kitchen Accident

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Shrimp & Sweet Potato Shepherd’s Pie : A Cozy, Coastal Comfort Food Twist

This Shrimp & Sweet Potato Shepherd’s Pie is a fresh, winter-ready take on the classic comfort dish. Juicy shrimp are nestled in a creamy white wine and herb sauce, then blanketed with velvety mashed sweet potatoes and baked until golden. It’s rich yet refreshing, deeply satisfying, and perfect for cozy nights when you want something hearty but a little elevated. Think seafood casserole meets coastal holiday vibes.

  • Author: annareynolds
  • Prep Time: 20 mins
  • Cook Time: 30 mins
  • Total Time: 50 mins
  • Yield: 4–6 1x

Ingredients

Scale

For the Filling:

1 tbsp olive oil

1 small onion, finely chopped

2 garlic cloves, minced

1 lb shrimp, peeled and deveined

½ cup white wine (or broth)

½ cup heavy cream

1 tbsp butter

1 tsp fresh thyme or ½ tsp dried

Salt & pepper to taste

1 tbsp flour or arrowroot for thickening (optional)

For the Sweet Potato Topping

2 large sweet potatoes, peeled and cubed

2 tbsp butter

¼ cup milk or cream

Salt & cinnamon (optional) to taste

Instructions

Make the Topping
Boil sweet potatoes until fork-tender. Drain and mash with butter, milk, and a pinch of salt. Add a dash of cinnamon for warmth, if desired.

Prepare the Filling
Sauté onion in olive oil until soft. Add garlic, then shrimp and cook until just pink. Remove shrimp and set aside. Deglaze pan with wine, stir in cream, thyme, and butter. Thicken slightly with flour if needed, then return shrimp to the sauce.

Assemble the Pie
Pour shrimp mixture into a greased baking dish. Spread mashed sweet potatoes over the top.

Bake
Bake at 375°F for 20–25 minutes until bubbling and golden on top. Broil for 2–3 minutes for extra color if desired.

Serve Warm
Garnish with fresh thyme or parsley and serve with a side salad or crusty bread.

Nutrition

  • Calories: 360 kcal
  • Fat: 18g
  • Carbohydrates: 24g
  • Protein: 25g

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This recipe, like so many of my favorites, was born from a happy accident. A few winters ago, we had planned a big family gathering at our little coastal cottage. The menu was set: a grand, traditional shepherd’s pie. But as fate would have it, a last-minute storm delayed our grocery delivery, leaving me with a pound of gorgeous frozen shrimp, a bag of sweet potatoes, and a whole lot of hungry people on the way.

Panic? For a second. But then, the challenge became an invitation to get creative. I started building a creamy sauce with what I had—onions, garlic, a splash of white wine from a half-finished bottle, and a generous glug of cream. I folded in those shrimp and stared at the pot. It smelled incredible, but it needed a crown, something to make it a complete meal. The sweet potatoes on the counter winked at me. Thirty minutes later, as I pulled that golden-topped pie from the oven, I knew we had stumbled onto something special. The chorus of “oohs” and “aahs” around the table that night confirmed it. It was a reminder that some of the best dishes aren’t just followed, they’re found.

Gathering Your Cozy Coastal Ingredients

Here’s everything you’ll need to create this masterpiece. Don’t be afraid to make it your own—cooking is a conversation, not a monologue!

For the Velvety Sweet Potato Topping:

  • 2 large sweet potatoes, peeled and cubed: They’re the star of the show! Look for firm potatoes with smooth, deep orange skin for the sweetest, creamiest mash. A little tip: cutting them into even-sized cubes ensures they all cook at the same time.
  • 2 tbsp butter: For that irreplaceable rich, silky texture. Salted or unsalted works just fine here.
  • ¼ cup milk or cream: Cream will give you the most luxurious, decadent topping, but whole milk works beautifully, too. For a dairy-free version, unsweetened almond or oat milk are fantastic substitutes.
  • A generous pinch of salt: This is crucial! Salt enhances the natural sweetness of the potatoes and balances the entire dish.
  • A dash of cinnamon (optional, but encouraged!): Just a tiny pinch adds a warm, cozy depth that pairs magically with the shrimp. Don’t overdo it—we’re adding a whisper, not a shout.

For the Creamy Shrimp Filling:

  • 1 tbsp olive oil: Our cooking fat of choice for sautéing. It has a lighter flavor that lets the shrimp and herbs shine.
  • 1 small onion, finely chopped: This is the flavor foundation. A yellow or white onion works perfectly, melting into the sauce and adding a subtle sweetness.
  • 2 garlic cloves, minced: Because what’s a cozy dish without garlic? Fresh is best here for that bright, aromatic punch.
  • 1 lb shrimp, peeled and deveined: I prefer large (31/40 count) shrimp for a meatier bite. You can use fresh or frozen—just be sure to thaw frozen shrimp completely and pat them *very* dry with paper towels so they sear instead of steam.
  • ½ cup dry white wine (like Sauvignon Blanc or Pinot Grigio): This deglazes the pan, lifting all those delicious browned bits and adding a lovely acidity that cuts through the richness. No wine? No problem! An equal amount of chicken or vegetable broth works wonderfully.
  • ½ cup heavy cream: This is what creates that luscious, dreamy sauce. For a lighter version, half-and-half can stand in, though the sauce will be a bit less thick.
  • 1 tbsp butter: Swirled in at the end for a glossy finish and an extra layer of flavor.
  • 1 tsp fresh thyme leaves or ½ tsp dried: Thyme and seafood are a match made in heaven. If you have fresh, it’s worth it! The little leaves add a fragrant, earthy note.
  • Salt & freshly cracked black pepper to taste: Season in layers! Taste as you go.
  • 1 tbsp all-purpose flour or arrowroot (optional): If you prefer a thicker, more gravy-like sauce, this is your secret weapon. I don’t always find it necessary, but it’s great to have on hand.

Let’s Build Your Pie, Step-by-Step

Ready to create some magic? Follow these steps, and you’ll have a show-stopping dinner on the table in no time. I’ve tucked my favorite chef hacks right in with the instructions.

  1. Create the Sweet Potato Cloud

    Place your cubed sweet potatoes in a large pot and cover them with cold, well-salted water—it should taste like the sea. Bringing them up from cold water ensures they cook evenly from the outside in. Bring to a boil and cook for about 15-20 minutes, or until they are completely fork-tender. Drain them really well, then return them to the hot pot for a minute to let any residual moisture steam off. This is the KEY to avoiding a watery mash! Now, add the butter, milk/cream, and salt. Mash until smooth and dreamy. I like to use a potato ricer for an impossibly silky texture, but a good old-fashioned masher works just fine. Stir in that whisper of cinnamon if you’re using it, then set your beautiful topping aside.

  2. Cook the Shrimp (& Don’t Overdo It!)

    While the potatoes are boiling, start your filling. Heat the olive oil in a large, oven-safe skillet over medium heat. Add the chopped onion and a pinch of salt, and sauté until it’s soft and translucent, about 5-7 minutes. The salt will help draw out the moisture and speed up the cooking. Add the minced garlic and cook for just one more minute until fragrant—we’re toasting it, not burning it! Now, increase the heat to medium-high and add your shrimp in a single layer. We’re going to sear them quickly, about 1-2 minutes per side, until they’re just pink and opaque. They should look like a perfect “C” shape. Chef’s Hack: Seriously, undercook them here! They’re going to bake later, and this prevents them from becoming tough and rubbery. As soon as they’re done, scoop them out and onto a plate, leaving the onions and garlic behind.

  3. Build That Luscious Sauce

    With the shrimp safely set aside, it’s sauce time! Pour the white wine into the hot skillet. It will sizzle and steam gloriously—this is you deglazing the pan, scraping up all those flavorful browned bits with your wooden spoon. Let the wine simmer and reduce by about half, which will take 2-3 minutes. This cooks off the harsh alcohol and concentrates the flavor. Now, reduce the heat to low and stir in the heavy cream, thyme, and that final tablespoon of butter. Let it simmer gently for 2-3 minutes to thicken slightly. If you want a thicker sauce, sprinkle in the tablespoon of flour or arrowroot and whisk constantly for a minute until it’s smooth and has thickened. Taste it! This is your moment to adjust the seasoning with more salt or pepper. Now, return the shrimp (and any accumulated juices) back to the skillet and stir to coat.

  4. The Grand Assembly

    If your skillet is oven-safe, you’re already a step ahead! If not, gently transfer the creamy shrimp mixture into a greased 9-inch pie dish or an 8×8 baking dish. Now, take your bowl of mashed sweet potatoes and dollop them evenly over the top. Use a spatula or the back of a spoon to gently spread the potatoes to the edges, sealing in the filling. Here’s a fun trick: use a fork to create some swirly peaks and valleys over the top. Those little ridges will get beautifully brown and crispy in the oven, giving you the perfect textural contrast.

  5. Bake to Golden Perfection

    Preheat your oven to 375°F (190°C). Place your assembled pie on a baking sheet (to catch any potential bubble-overs) and bake for 20-25 minutes, until the filling is bubbling enthusiastically around the edges and the top is heated through. For that picture-perfect, restaurant-quality finish, switch your oven to broil for the last 2-3 minutes. WATCH IT CLOSELY! The sweet potato peaks will turn a gorgeous, caramelized golden brown. It makes all the difference.

How to Serve This Coastal Masterpiece

This Shrimp & Sweet Potato Shepherd’s Pie is a complete meal in a dish, but a little styling goes a long way! Let it rest for about 5 minutes after it comes out of the oven—this allows the filling to set just enough for clean slices. I love to garnish it with a sprinkle of fresh thyme leaves or some chopped fresh parsley for a pop of color and freshness. Serve it right from the skillet at the table for that rustic, family-style vibe. To round out the meal, a simple, crisp green salad with a lemony vinaigrette is the perfect palate cleanser. And don’t forget a loaf of warm, crusty bread to sop up every last bit of that creamy sauce!

Make It Your Own: Delicious Twists & Swaps

This recipe is wonderfully adaptable. Here are a few ways to play with it:

  • Add Some Green: Stir a cup of frozen peas, chopped spinach, or even corn into the shrimp filling just before assembling for extra color and nutrition.
  • Spice It Up: Add a pinch of cayenne pepper or a few dashes of hot sauce to the cream sauce for a gentle kick.
  • Herb Garden Refresh: Swap the thyme for fresh dill or tarragon, which are both classic pairings with seafood.
  • Potato Combo: Use half sweet potato and half russet potato for a topping that’s a perfect balance of sweet and savory.
  • Pescatarian Power: Use vegetable broth instead of wine or chicken broth to keep it fully pescatarian.

Anna’s Kitchen Notes

This recipe has become such a staple in our home that it’s evolved in little ways over the years. My daughter once decided to “help” by adding a handful of cheddar cheese to the sweet potato topping, and you know what? It was delicious! A sharp white cheddar grated on top before baking adds a wonderful savory crunch.

I also can’t stress enough the importance of seasoning your sweet potato water. It seems like a small step, but it seasons the potatoes from the inside out, making your final mash exponentially more flavorful. And remember, friends, this is supposed to be fun. If your sweet potato topping isn’t perfectly smooth, or if your sauce looks a little too thin, it’s going to be delicious regardless. Cooking with joy is the most important ingredient of all.

Your Questions, Answered!

I’ve gotten a few questions about this recipe over time, so I’ve gathered the most common ones here to help you out.

Q: My sauce is a bit thin. How can I thicken it up?
A: Don’t worry, this happens! The easiest fix is to make a quick slurry. Take a tablespoon of cornstarch or flour and mix it with two tablespoons of cold water or milk until it’s a smooth paste. Whisk this into the simmering sauce (before you add the shrimp back in) and let it cook for a minute or two. It should thicken up nicely. Remember, the sauce will also thicken a bit as it bakes and cools.

Q: Can I make this shepherd’s pie ahead of time?
A> Absolutely! This is a fantastic make-ahead meal. Assemble the entire pie, cover it tightly with plastic wrap or foil, and refrigerate for up to 24 hours. When you’re ready to bake, you may need to add 5-10 extra minutes to the baking time since it will be going into the oven cold. Hold off on the broiling step until the very end to get that beautiful color.

Q: My sweet potatoes are watery. What did I do wrong?
A> This is almost always due to not draining them well enough or skipping the step of letting them steam-dry in the hot pot after draining. Another culprit can be boiling them for too long, which causes them to absorb excess water. Next time, make sure you drain thoroughly and give them that minute back in the hot, dry pot. You can also try roasting the sweet potatoes instead of boiling them—it concentrates their flavor and eliminates the water issue entirely!

Q: Can I use a different protein?
A> Of course! This method is very versatile. Diced, firm white fish like cod or halibut would be lovely. You could also use bay scallops or even lump crab meat (fold it in at the very end to avoid breaking it up). For a land-based version, cooked, shredded chicken would work beautifully with this sauce and topping.

Nutritional Information*

Servings: 4-6 | Prep Time: 20 mins | Cook Time: 30 mins | Total Time: 50 mins

Calories per serving (based on 4): ~450 kcal | Protein: 28g | Fat: 24g | Carbohydrates: 30g

*Please note: Nutritional information is an estimate and can vary based on the specific ingredients you use and any substitutions made.


Final Thoughts:

This Shrimp & Sweet Potato Shepherd’s Pie is the ultimate cozy, coastal comfort food. It’s rich, creamy, and indulgent, yet brightened by sweet potatoes and fresh shrimp—striking that perfect balance between hearty and fresh. What I love most is how versatile it is: you can swap proteins, toss in extra veggies, or add herbs and spices to suit your taste.

It’s the kind of dish that makes weeknights feel special and holidays feel elevated, all without requiring a full-day marathon in the kitchen. Every bite delivers warmth, comfort, and a little touch of coastal magic. Pull it from the oven, serve it family-style, and let the golden topping, creamy sauce, and perfectly cooked shrimp do their thing—trust me, this is one recipe that will become a beloved classic in your home.

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