Created by Felix4067 on November 24, 2011
Step 1: Combine beans, mushrooms, bacon and 1 cup fried onions in a casserole dish.
Step 2: In a separate bowl, combine soup, milk and pepper; pour over green bean mixture and stir to combine. Smooth top with back of spoon.
Step 3: Bake at 350F for 30 minutes; sprinkle remaining 1/2 cup fried onions over top and bake an additional 5 minutes.