Preheat oven to 350°F. Stir together crackers and onion soup mix. Dip chicken legs into melted butter then coat with cracker mixture. Place remaining butter in 13x9-inch baking pan, then add coated chicken legs. Sprinkle with any remaining crumb mixture. Bake for 45-55 min. or until chicken is tender and thoroughly cooked. You can serve these with sour cream and salsa for dipping if desired. Makes 8 servings.