Cheesy Scalloped Potatoes - cooking recipe

Ingredients

1/2 c. skim milk
2 Tbsp. all-purpose flour
1/2 tsp. salt or seasoned salt
1/2 tsp. pepper
1/8 tsp. garlic powder (optional)
1/2 c. chopped onion
nonstick spray coating
4 medium potatoes, peeled and sliced
1/2 c. shredded Cheddar cheese

Preparation

For Sauce:
In a small saucepan, stir together milk, flour, salt, pepper and garlic powder.
Cook and stir over medium heat until thick and bubbly.