Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Cheesy Jumbo Lump Crab Au Gratin

  • Author: Sally Thompson
  • Prep Time: 15 minutes
  • Cook Time: 20 minutes
  • Total Time: 35 minutes
  • Yield: 4 servings 1x
  • Category: Dinner
  • Method: Baking
  • Cuisine: American

Description

Indulge in this rich and creamy Cheesy Jumbo Lump Crab Au Gratin, a perfect blend of tender crab meat, melted cheese, and a golden crispy topping. This easy recipe is ideal for a quick dinner, elegant dinner ideas, or even a comforting weekend treat. Packed with flavor and simple to prepare, it’s one of the best seafood food ideas when you want something both impressive and satisfying.


Ingredients

Scale

1 lb jumbo lump crab meat

2 tbsp unsalted butter

2 tbsp all-purpose flour

1 1/2 cups whole milk

1/2 cup heavy cream

0.5 tsp Dijon mustard

1 tsp Worcestershire sauce

0.5 tsp Old Bay seasoning

0.25 tsp paprika

1 tsp salt

0.5 tsp black pepper

1 cup Gruyère cheese

0.5 cup sharp cheddar cheese

0.25 cup Parmesan cheese

2 cloves garlic

2 tbsp shallots

1 tbsp lemon juice

1 tbsp fresh parsley or chives

1/3 cup breadcrumbs

1 tbsp melted butter

2 tbsp shredded cheese


Instructions

1. Preheat oven to 375°F (190°C).

2. Melt butter in a saucepan and sauté shallots until soft, then add garlic.

3. Stir in flour and whisk for 1–2 minutes to form a roux.

4. Gradually add milk and cream, whisking until smooth and thickened.

5. Add Dijon mustard, Worcestershire sauce, Old Bay, paprika, salt, and pepper.

6. Reduce heat and stir in Gruyère, cheddar, and Parmesan until melted.

7. Remove from heat and gently fold in crab meat, lemon juice, and herbs.

8. Transfer mixture into a greased baking dish or ramekins.

9. Mix breadcrumbs with melted butter and sprinkle over the top with extra cheese.

10. Bake for 15–20 minutes until bubbling.

11. Broil for 2–3 minutes until golden brown.

12. Rest for 5 minutes before serving.


Notes

Use fresh jumbo lump crab for best texture and flavor.

Do not overheat cheese sauce to prevent grainy texture.

Broil carefully at the end to achieve a golden crust without burning.


Nutrition

  • Serving Size: 1 serving
  • Calories: 450
  • Sugar: 3g
  • Sodium: 700mg
  • Fat: 32g
  • Saturated Fat: 18g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 1g
  • Protein: 24g
  • Cholesterol: 110mg

Keywords: easy recipe, seafood recipe, dinner ideas, comfort food, baked crab, cheesy casserole