All Recipes

Potatoes au Gratin

Prep

15-30 mins

Total

1 HR

Servings

8 Servings

Ingredients

2-1/2 lb

baking potatoes (about 6)

1/4 cup

butter

1 small

onion, chopped

1/4 cup

flour

1 tsp

salt

2-1/2 cups

milk

1-3/4 cups

Shredded Sharp Cheddar Cheese, divided

1/2 tsp

GREY POUPON Dijon Mustard

1/4 cup

Grated Parmesan Cheese

Instructions

Step 1

Cook potatoes in boiling water 20 min. or just until tender; drain. Cover with cold water; cool.

Step 2

Meanwhile, melt butter in medium saucepan on medium heat. Add onions; cook and stir 2 min. Blend in flour and salt; cook 1 min. Gradually stir in milk; cook 5 min. or until thickened, stirring constantly. Add 1-1/4 cups cheddar; cook and stir 1 min. or until melted. Stir in mustard.

Step 3

Heat oven to 375°F. Peel potatoes; cut into 1/4-inch-thick slices. Layer alternately with cheese sauce in 2-qt. casserole sprayed with cooking spray, ending with sauce.

Step 4

Bake 25 to 30 min. or until heated through. Top with remaining cheeses; bake 5 min. or until melted.

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