Crab Stuffed Flounder Recipe with Lemon Herb Butter

This Crab Stuffed Flounder is light, fresh, and full of summer flavor—lump crab, sweet corn, tender zucchini, and fragrant basil combine for a simple but elegant main course. It’s quick enough for a weeknight yet pretty enough for guests, and even non-fish lovers often enjoy it.

Crab Stuffed Flounder

Stuffed Flounder

This version keeps the stuffing crab-forward with just a touch of breadcrumbs and butter so the flavors shine through. Fresh corn and shredded zucchini add texture while basil and chives brighten every bite. The dish bakes simply in a lemon, wine, and butter base that keeps the fillets moist and leaves a small sauce for serving. It yields four servings and pairs well with light summer sides.

Why This Crab-Stuffed Flounder Works

Author photo

The recipe builds on classic crab cake flavors but uses that mixture as a stuffing for delicate flounder fillets. A few key choices make it successful:

  • Light but satisfying: Minimal breadcrumbs and a small amount of butter keep the filling rich without weighing down the fish.
  • Fast and approachable: The baking method is straightforward and takes about 35 minutes from start to finish, making it ideal for busy evenings.
  • Flexible for diets: It can be made gluten-free with gluten-free breadcrumbs and dairy-free by using a plant-based butter or olive oil.

Testing Notes

When testing, the goal was to keep the crab as the star. The mixture is designed to hold together for stuffing without becoming a dense, breadcrumb-heavy patty. If you have extra filling, spoon it on top of the rolled fillets before baking—the extra mix crisps nicely and adds texture.

Ingredients You’ll Need

Below are the main ingredients for crab-stuffed flounder. Exact measurements and full directions appear in the recipe card further down.

raw fish, corn, lemons and crab

  • Lump crab meat: Fresh, cooked lump crab is ideal; canned lump crab is a fine substitute if fresh isn’t available.
  • Zucchini: Shred and squeeze out excess moisture for the best texture.
  • Corn: Fresh sweet corn kernels add summer sweetness; remove kernels carefully over a bowl to avoid mess.
  • Fresh herbs: Basil and chives for brightness.
  • Lemon: Zest goes in the stuffing; juice mixes with wine and butter for the baking base. Serve extra wedges alongside the fish.
  • Egg: Binds the filling.
  • Breadcrumbs: Regular or gluten-free, used sparingly to keep the filling cohesive.
  • Dry white wine: A splash in the baking dish adds acidity and depth; substitute vegetable broth if you prefer not to use alcohol.
  • Butter: Small pieces placed in the baking dish melt into a light sauce; swap for oil or dairy-free butter for a dairy-free version.
  • Flounder fillets: Mild, flaky white fish work best—flounder, fluke, sole, cod, or halibut are all suitable depending on availability.

How to Make Crab Stuffed Flounder

If your crab is very fresh, the stuffing can be prepared up to 24 hours ahead. Follow these key steps for an easy, reliable result.

Crab and corn stuffing
Crab and corn stuffing
Stuffed fish
Stuffed fish with corn and crab
  1. Make the stuffing: Combine lump crab meat, shredded and squeezed zucchini, corn kernels, chopped basil and chives, lemon zest, salt, one egg, and a small amount of breadcrumbs. Mix gently so the crab stays in tender pieces.
  2. Prepare the baking dish: Pour lemon juice and dry white wine into an 8 x 8-inch baking dish, scatter pieces of butter across the surface, and set aside. Slice remaining lemon into wedges for serving.
  3. Assemble the fillets: Pat fillets dry and season lightly with salt. Place them skin-side down and spoon about 1/4 cup of the crab mixture near the edge of each fillet, then roll the fillet around the stuffing so the seam ends up on the bottom.
  4. Arrange and top: Place each rolled fillet seam-side down in the baking dish and top each with additional crab mixture if desired.
  5. Bake: Bake at 375°F for 20 minutes, then increase the oven to 425°F and bake 5 more minutes until the tops begin to crisp and turn golden. Serve warm with lemon wedges.
Crab Stuffed Flounder

Fish Tips and Substitutions

  • Choose what’s fresh: Any mild white fish fillet works—flounder, fluke, cod, halibut, or sole. Use the freshest local option available.
  • Buying and thawing: If fresh fish isn’t available, buy properly frozen fillets and thaw overnight in the refrigerator or in an ice bath while still sealed.
  • Keep it moist: The small lemon-and-wine base in the dish prevents the fish from drying and becomes a simple sauce when served.
Crab Stuffed Flounder

Variations

  • Vegetable swaps: Replace zucchini with yellow squash or use thawed frozen corn when fresh corn isn’t available.
  • Richer topping: Crushed reduced-fat crackers add a buttery crunch similar to crackers or panko.
  • Wine-free option: Use low-sodium vegetable broth instead of wine.
  • Dairy-free: Use extra-virgin olive oil or a plant-based butter alternative.

Crab Stuffed Flounder

Light, fresh crab-stuffed flounder with corn, zucchini, and basil—an easy summer main course.
Yield: 4 servings
Serving size: 1 fillet + ½ cup crab stuffing
Calories: 236 per serving (approximate)

Ingredients

  • 1 cup lump crab meat
  • 1 cup shredded zucchini (from 1 medium), squeezed of excess liquid
  • 1 cup corn kernels (from 1 large ear)
  • ¼ cup chopped basil
  • 2 tablespoons chopped chives
  • Zest and juice of 2 lemons (divided)
  • 1 teaspoon kosher salt, divided
  • 1 large egg
  • ¼ cup breadcrumbs or gluten-free crumbs
  • ¼ cup dry white wine (or vegetable broth)
  • 1 tablespoon butter, cut into small pieces (or dairy-free alternative)
  • 4 flounder fillets (3 to 4 ounces each) or other white fish

Instructions

  1. Preheat the oven to 375°F.
  2. In a medium bowl, gently combine the crab, zucchini, corn, basil, chives, lemon zest from one lemon, ½ teaspoon salt, the egg, and the breadcrumbs. Reserve the mixture.
  3. Pour the juice of the remaining lemon and the wine (or broth) into an 8 x 8-inch baking dish and scatter the butter pieces over the surface. Set aside.
  4. Lightly salt the fillets with the remaining ½ teaspoon salt. Lay them so the inside faces up, spoon about ¼ cup of the crab mixture along one edge of each fillet, and roll the fillet to enclose the stuffing. Place seam-side down in the baking dish.
  5. Top each roll with any remaining crab mixture. Bake at 375°F for 20 minutes, then increase the oven to 425°F and bake an additional 5 minutes until the tops begin to brown and crisp. Serve with lemon wedges.

Serving Suggestions

Serve this crab-stuffed flounder with bright, seasonal sides such as a simple summer tomato salad, watermelon and arugula with feta, thinly sliced zucchini carpaccio, or roasted yellow squash. Light, fresh sides complement the delicate seafood flavors and keep the meal summery and balanced.

Storage and Reheating

  • Refrigerate: Store leftovers in an airtight container for up to 3 days.
  • Reheat: Warm gently in a 350°F oven until heated through, or use short bursts in the microwave to avoid overcooking the fish.
Crab Stuffed Flounder

More Fish Recipes You’ll Love

If you enjoyed this recipe, explore other easy seafood mains like baked cod, pan-seared fish with chimichurri, cod fish tacos, fish florentine, or baked tilapia for more weeknight and entertaining options.

If you try this stuffed flounder, consider sharing a photo or notes in your personal cooking journal or social feed and save the recipe for future meals. Enjoy!