Chicken Pot Pie

Ingredients

• 1 pkg. frozen pie crust (ready made)
• 1/2 c. chopped onions
• 1/3 c. all-purpose flour
• 1/3 c. margarine
• 1/2 tsp. salt
• 1/2 tsp. pepper
• 1 3/4 c. chicken broth
• 2/3 c. milk
• 2 c. cooked chicken, cut up
• 1 (10 oz.) pkg. frozen peas and carrots
• 1 stalk celery, chopped
• 1 tsp. green pepper
• 1 c. chopped potatoes (precooked)