Microwave Scalloped Potatoes - cooking recipe

Ingredients

3 Tbsp. butter
3 Tbsp. flour
1 tsp. salt
1/2 tsp. pepper
3 c. milk
1/2 c. diced onion
4 medium potatoes, peeled

Preparation

In 3-quart glass casserole, combine all ingredients except potatoes.
Cook on Medium-high for 10 to 12 minutes or until thickened; stir twice during cooking.
Slice potatoes and add to thickened sauce.
Cook on High 17 to 20 minutes or until potatoes are tender; stir once during cooking.