Healthy Scalloped Potatoes - cooking recipe

Ingredients

6 large potatoes
1/4 c. onion, finely chopped
3 Tbsp. flour
1/2 tsp. lite salt or less
1/4 tsp. black pepper
1 Tbsp. margarine
2 1/2 c. skim milk

Preparation

Heat oven to 350\u00b0.
Wash potatoes and remove eyes.
Cut potatoes into thin slices.