Scalloped Potatoes - cooking recipe

Ingredients

1/4 c. chopped onion
1/4 c. butter or margarine
1/4 c. all-purpose flour
2 1/2 c. milk
5 large potatoes, peeled and thinly sliced

Preparation

To make sauce, cook onion in butter or margarine until tender, but not brown.
Stir in flour, 1 1/2 teaspoons salt and 1/8 teaspoon pepper.
Add milk.
Cook and stir until thickened and bubbly.
Cook and stir 1 to 2 minutes more.
Remove from heat.