Hash Brown Casserole(Low-Fat Version)

Ingredients

• 1 pkg. frozen hash brown potatoes
• 1 c. sour cream alternative
• 1/2 c. low-sodium chicken broth
• 1 small onion, chopped
• 1 green pepper, chopped
• 1 1/4 c. skim milk
• 1/4 tsp. salt
• 1/2 tsp. pepper
• 3 Tbsp. flour
• 1/2 tsp. dry mustrrd
• 1/2 c. reduced fat Cheddar cheese
• 1/2 c. low-fat Mozzarella or Swiss cheese
• 1 c. corn flakes, crushed