Fluffy Potato Casserole
["2 c. mashed potatoes", "1 (8 oz.) pkg. soft cream cheese", "1 small onion, finely chopped", "2 eggs, well beaten", "1 Tbsp. plain flour", "1/4 tsp. salt", "1/8 tsp. pepper", "1 (3 oz.) can French fried onion rings, crushed"]
["Combine first 7 ingredients.", "Beat for 2 to 3 minutes on medium speed with an electric mixer.", "Pour into a greased 1 1/2-quart casserole dish.", "Spread crushed onion rings evenly over the top.", "Bake, uncovered, for 30 to 35 minutes in 300\u00b0 oven."]
["potatoes", "cream cheese", "onion", "eggs", "flour", "salt", "pepper", "onion rings"]