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Seafood Lasagna with Shrimp and Crab – Easy Creamy Homemade Comfort Food Casserole

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This Seafood Lasagna with Shrimp and Crab is a rich, creamy, and indulgent comfort dish made with layers of tender pasta, seafood, ricotta filling, and a velvety white sauce, all baked until golden and bubbly.

  • Total Time: 1 hour 30 minutes
  • Yield: 10 servings

Ingredients

Scale

For the Lasagna

  • 12 lasagna noodles, cooked al dente and drained
  • 1 lb raw medium shrimp, peeled, deveined, and chopped
  • 1 lb lump crab meat, drained and checked for shells
  • 1 tsp Old Bay seasoning
  • Salt and pepper to taste
  • 2 cups shredded mozzarella cheese, divided
  • 1/2 cup freshly grated Parmesan cheese, divided

For the White Sauce

  • 5 tbsp unsalted butter, divided
  • 4 cloves garlic, minced
  • 1/4 cup all-purpose flour
  • 1 1/2 cups low sodium chicken broth
  • 1 1/2 cups heavy cream
  • Salt and pepper to taste

For the Ricotta Filling

  • 2 cups whole milk ricotta cheese
  • 4 oz cream cheese, softened
  • 1 large egg
  • 1/4 cup Parmesan cheese
  • 1/2 tsp salt
  • 1/4 tsp black pepper

Instructions

  1. Preheat oven to 375°F. Cook lasagna noodles until al dente and set aside.
  2. Melt 1 tbsp butter in a skillet. Cook shrimp with Old Bay seasoning until pink, then remove.
  3. Warm crab meat briefly in the same pan and combine with shrimp.
  4. In the skillet, melt remaining butter and sauté garlic. Whisk in flour and cook for 1 minute.
  5. Slowly add chicken broth and cream, whisking until thickened. Season with salt and pepper.
  6. Mix ricotta, cream cheese, egg, Parmesan, salt, and pepper. Fold in seafood mixture.
  7. Spread sauce in baking dish. Layer noodles, half seafood mixture, and mozzarella. Repeat layers.
  8. Top with noodles, remaining sauce, mozzarella, and Parmesan.
  9. Cover and bake for 25 minutes, then uncover and bake 20–25 minutes until golden and bubbly.
  10. Rest 10 minutes before serving.

Notes

  • Can be assembled a day ahead and refrigerated.
  • Add 10–15 minutes extra bake time if chilled.
  • Freezes well for up to 3 months before baking.
  • Author: lily
  • Prep Time: 30 minutes
  • Cook Time: 50 minutes
  • Category: Main Course
  • Method: Baked
  • Cuisine: American