Seafood Au Gratin

If using frozen fish fillets, thaw before cooking. You can spice up the dish by adding a pinch of paprika to the white sauce.

Serves: 4Hands-on: 15 minutesTotal: 40 minutesDifficulty: Easy

Serves: 4


  • 4 Tbsp. unsalted butter
  • 3 Tbsp. all-purpose flour
  • 1⁄2 tsp. dried dill
  • 3⁄4 cup 2% milk
  • 1⁄4 cup heavy cream
  • 1⁄2 tsp. ground nutmeg
  • 1⁄8 tsp. ground white pepper
  • 1 tsp. lemon juice
  • 1 lb. fish fillets
  • 1 tsp. salt
  • 1⁄2 cup grated Cheddar cheese


  • Preheat the oven to 375°F. Spray an 8-by-8-inch baking dish with nonstick cooking spray.
  • In a small saucepan, melt the butter on low heat. Add the flour and blend it into the melted butter, stirring continually until it thickens and forms a roux (3 to 5 minutes). Stir in the dill weed.
  • Increase the heat to medium. Slowly add the milk and the cream, stirring with a whisk until the mixture has thickened. Stir in the nutmeg, pepper, and lemon juice.
  • Rub the salt over the fish to season. Lay the fish fillets out in the baking dish.
  • Pour the white sauce over the fish. Sprinkle the cheese on top.
  • Bake the fish for 25 minutes, or until it is cooked through. Serve immediately.