Preheat oven to 350 degrees. Lightly butter a 1 1/2 quart sized casserole dish.
In a skillet over medium high heat, brown sausage pieces in butter. Drain any grease. Place sausage and beans in prepared casserole. Pour prepared cornbread mix over beans and sausage and spread to cover.
Bake in preheated oven for 45 minutes or until toothpick comes out clean when tested. Makes 4 to 6 servings. Enjoy!