1 package dry scalloped potato mix
1 (10 oz) package frozen mixed veggies
1/2 cup thinly sliced onion
1/4 teaspoon celery seed
2 1/2 cups boiling water
2 tablespoons butter OR margarine
white american cheese

place dried potatoes in a 1 1/2 quart casserole. sprinkle with the envelope of sauce mix from package. top with frozen mixed veggies, sliced onion, and celery seed. pour boiling water over all; stir till well combined. dot with butter or margarine. cover and bake in 400 degree oven for 35 minutes or till potatoes are tender. uncover; lay cheese on top. bake 2-3 minutes more or till cheese melts.