MAMA'S MOZZARELLA POTATOES AU GRATIN

Mama's Mozzarella Potatoes au Gratin image

Mama's heard of people putting cheddar and other cheeses in au gratin potato dishes. But for her family, only mozzarella and Parmesan will do!

Provided by My Food and Family

Categories Home

Time 1h30m

Yield 12 servings

Number Of Ingredients 8

Ingredients

2-1/2 lb. baking potato es (about 7)
1/4 cup butter
1 small onion, chopped
1/4 cup flour
2-1/2 cups milk
1-3/4 cups KRAFT Shredded Mozzarella Cheese, divided
2 Tbsp. GREY POUPON Dijon Mustard
1/4 cup KRAFT Grated Parmesan Cheese

Steps:

Cook potatoes in boiling water 20 min. or just until tender; drain. Return to pan; cover with cold water. Let stand until cooled.
Meanwhile, melt butter in medium saucepan on medium heat. Add onions; cook and stir 2 min. Blend in flour; cook 1 min. Gradually add milk; cook 5 min. or until thickened, stirring constantly. Add 1-1/4 cups mozzarella; cook and stir 1 min. or until melted. Stir in mustard.
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.
Bake 25 to 30 min. or until heated through. Top with remaining cheeses; bake 5 min. or until mozzarella is melted.

Nutrition Facts : Calories 210, Fat 10 g, SaturatedFat 6 g, TransFat 0 g, Cholesterol 30 mg, Sodium 280 mg, Carbohydrate 23 g, Fiber 2 g, Sugar 5 g, Protein 8 g