Vidalia Onion Casserole2025-10-14 01:47:15.715169 +0000 UTC Ingredients3 medium onions sliced2 Tbsp butter45 oz sliced mushrooms1 can cream of chicken soup5 oz can evaporated milk1 Tbsp soy sauce2 c shredded Swiss cheese6 slices French bread1 Tbsp fresh parsleyDirectionsPreheat oven to 300 Spray an 8 x 8 casserole dish with cooking spray Combine the first 6 ingredients with 1 cup of Swiss cheese Place slices of French bread over mixture and sprinkle with parsley Bake uncovered 30 to 45 minutes or until golden brown