Haddock Au Gratin

Ingredients

• 2 pounds haddock fillets
• 1 teaspoon salt
• 0.13 teaspoons ground black pepper
• 3 tablespoons butter
• 0.25 cups minced onion
• 3 tablespoons all-purpose flour
• 1 teaspoon ground dry mustard
• 0.5 teaspoons salt
• 0.67 cups heavy cream
• 0.67 cups half-and-half cream
• 0.5 cups shredded sharp Cheddar cheese
• 0.5 cups shredded Monterey Jack cheese
• 0.25 teaspoons paprika

Instructions

1. 1

   Preheat oven to 350 degrees F (175 degrees C). Lightly butter a medium or large baking dish.

2. 2

   Rinse and dry fillets. Season with 1 teaspoon salt and 1/8 teaspoon pepper.

3. 3

   In a skillet or frying pan, melt butter over medium heat. Saute onion in butter until golden. Stir in flour until completely incorporated. Stir in mustard, 1/2 teaspoon salt, light and heavy creams. Cook until thickened, stirring constantly. Remove from heat and stir in cheeses. Pour sauce over fish and sprinkle with paprika.

4. 4

   Bake in preheated oven for 30 minutes, until brown and bubbly.