Step 1
Heat oven to 350°F. Unwrap frozen casserole; discard plastic wrap and foil. Loosely cover casserole with additional foil. Bake 1 hour 20 min. or until heated through, uncovering after 1 hour. (Or, thaw frozen casserole overnight in refrigerator, then bake [uncovered] in preheated 350°F oven 35 to 40 min. or until heated through. Or to omit the freezing step to serve casserole right away, bake [uncovered] casserole in preheated 350°F oven 25 min. or until heated through.)