Green bean casserole Side dish · Comfort food Jump to recipe Ad space Ad space Green bean casserole Print Ingredients 5 cans of green beans2 cans cream of mushroom soup1 C milk2 tsp soy sauce1/4 tsp black pepper2 2/3 C French's onionsMix 1 1/3 C onion with the rest of the ingredients in a casserole dish. Bake at 350 for approximately 30 minutes until bubbly. Top with remaining onion and bake another 5 minutes. Method Ad space