Grease or spray a small 1 or 1 1/2 quart baking dish. Add beans and microwave for 3-4 minutes. Drain off any water from beans. Stir in soup, bacon, and 1/2 of onions.
Bake casserole at 350, uncovered, for 40-45 minutes, or until hot and bubbling. Top with remaining onions and return to oven for 5 minutes to crisp.
Keyword french fried onions, green bean casserole, green beans, green beans and bacon casserole, Thanksgiving, vegetable casserole