Crabmeat And Mushrooms Au Gratin

Prep: 10 min Cook: 20 min Serves: 6 Cuisine: American

A rich and creamy crab and mushroom au gratin featuring melted cheese and vibrant peppers, perfect for elegant dinners or special occasions.

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Ingredients

  • 1/4 cup butter
  • 1 green pepper, cut in thin strips
  • 1 red pepper, cut in thin strips
  • 1 lb. mushrooms, sliced
  • 1 tablespoon lemon juice
  • 1/2 teaspoon salt
  • 2 cups half and half
  • 1 (7 1/2 oz.) can crabmeat, drained, boned and flaked
  • 2 tablespoons butter

Instructions

  1. Melt 1/4 cup butter in a large skillet over medium heat.
  2. Add green and red peppers; cook for 3 minutes.
  3. Add sliced mushrooms; cook for 2 minutes, stirring or tossing occasionally.
  4. Sprinkle with lemon juice and salt.
  5. Add half and half and reserved crabmeat liquid; bring to boiling.
  6. Combine melted butter and flour; blend until smooth.
  7. Stir flour mixture into the cream-vegetable mixture.
  8. Cook, stirring constantly, until sauce has thickened and is smooth.
  9. Add crabmeat; simmer for 2 minutes until heated through.
  10. Turn mixture into a 1-quart shallow baking dish.
  11. Sprinkle with Swiss cheese.
  12. Place under preheated broiler and broil until cheese is golden brown.

Tips & Substitutions

For a richer flavor, consider adding a splash of white wine to the mixture after sautéing the vegetables. If you're out of crabmeat, cooked shrimp or lobster can serve as excellent substitutes. Ensure to adjust cooking times accordingly for different seafood. For a healthier version, use low-fat half and half or substitute with almond milk, although this may alter the taste slightly.

Serving Suggestions

Serve this dish with a light green salad or crusty bread to soak up the creamy sauce. It pairs beautifully with a chilled glass of white wine, such as Chardonnay. For a complete meal, consider serving alongside roasted vegetables or a side of rice. This dish also makes a great appetizer for gatherings or special occasions.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the gratin in a preheated oven at 350°F (175°C) until warmed through. Avoid reheating in the microwave, as it may make the sauce grainy and the cheese rubbery.

Nutrition & Diet Analysis (per serving)

Each serving of Crabmeat And Mushrooms Au Gratin contains roughly 1032 calories, with 21g protein, 4g carbohydrates, and 104g fat. It is an excellent source of calcium (52% of the Daily Value), protein (43% of the Daily Value), and vitamin C (39% of the Daily Value). Note that it is relatively high in sodium, at 1309mg per serving (57% of the Daily Value).

1032 kcal 52% DV
Protein Fat Carbs

Macronutrients

Protein 21.3g 43% DV
Total Fat 103.6g 100% DV
Carbs 4.3g 2% DV
Fiber 0.8g 3% DV
Sugar 1.6g 3% DV

Electrolytes

Sodium 1309mg 57% DV
Potassium 183.7mg 4% DV
Cholesterol 310.3mg 100% DV

Vitamins & Minerals

Vitamin A 246.9mcg 27% DV
Vitamin C 35mg 39% DV
Vitamin D 4.4mcg 22% DV
Calcium 677.8mg 52% DV
Iron 0.4mg 2% DV
Diet fit High-protein Keto-friendly
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this dish ahead of time?

Absolutely! You can prepare the crabmeat and mushroom mixture ahead of time, store it in the refrigerator, and then top with cheese just before broiling. This way, you can enjoy a freshly baked dish with minimal effort on the day of serving.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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