Microwave Scalloped Potatoes - cooking recipe

Ingredients

3 Tbsp. butter or margarine
2 Tbsp. all-purpose flour
1 tsp. salt
1/4 tsp. pepper
2 c. milk
3 medium size potatoes (1 lb.), cut in 1/8-inch thick rounds
1 medium onion, chopped fine

Preparation

Melt butter in 1 1/2-quart bowl (High for 30 to 45 seconds). Stir in flour, salt and pepper until blended.
Gradually whisk in milk until smooth.
Microwave on High for 8 to 10 minutes, stirring twice, until boiling and slightly thickened.