Preheat oven to 350 degrees. In medium bowl, combine beans, milk, soup, pepper and ... 1 1/2 quart casserole. Bake, uncovered, at 350 ... Let stand 5 minutes.
Saute onion in butter. Gradually ... minutes. Add green beans and sour cream. Put into a 2 quart casserole dish. Sprinkle with the cheese ... degrees for 30 minutes.