12 oz. pkg. California mix vegetables, frozen
8 oz. cream of mushroom soup
8 oz. sour cream
12 oz. Swiss cheese, broken up
1 can French fried onions

Save 1/2 of onions and 4 slices cheese. Mix the rest all together and put in oven at 325 degrees for 45 minutes. Remove, put cheese slices on top and top with rest of onions. Continue baking for about 10 minutes.