Low-fat green bean casserole

Ingredients

 * vegetable cooking spray
 * 1/4 cup finely chopped Onion
 * 2 tbsp flour
 * 1 cup skim milk
 * 1/2 cup shredded reduced fat swiss
 * .cheese
 * 1/2 cup low fat sour cream OR Greek Yogurt
 * 1 tsp suagr
 * 1/2 tsp salt
 * 2 9 oz. packages frozen french
 * .style green beans, thawed
 * & drained
 * 1 1/2 cup herb seasoned stuffing mix
 * 2 tsp margarine, melted
 * 1 egg white, lightly beaten

Directions
Coat a medium saucepan with cooking spray, and place over medium heat until hot. Add Onion; saute 5 minutes or until tender. Add flour, and cook 1 minute, stirring constantly. Gradually add the milk, stirring until blended. Stir in Cheese, sour cream, Sugar and salt; cook 5 minutes or until thickened and bubbly, stirring constrantly. Place green beans in an 8 inch square baking dish; pour the sauce over the beans. Combine stuffing mix, margarine, and egg white in a bowl; stir well and sprinkle over green bean mixture. Bake at 350f for 25 minutes or until thoroughly heated. Serving size - ½ cup. Calories per serving: 139; protein 6.9 gm; fat 4.7 gm; carb 18.7 gm; fiber 2.1 gm; chol 11 mg; iron .8 mg; sodium 382 mg; calc 169 mg.