1 lb. ground beef
1/2 c. bread crumbs
1/4 c. diced onion
1/2 c. milk
2 tsp. salt
1/4 tsp. pepper
Butter
1/4 c. flour
2 tbsp. sugar
1 1/2 tbsp. dry mustard
2 1/4 c. buttermilk
1 egg, beaten

Combine the ground beef, bread crumbs, onion, milk, 1 teaspoon salt and 1/8 teaspoon pepper and mix well. Shape into 8 meatballs and brown on all sides in 3 tablespoons butter in a skillet. Remove from skillet and keep hot. Add 1/4 cup butter to drippings left in the skillet and heat until melted. Mix the flour with the sugar, mustard, remaining salt and pepper and stir into butter. Stir in the buttermilk and cook over low heat until smooth and thickened, stirring constantly. Stir some of the hot sauce into the egg. Return to mixture in skillet and cook for 2 to 3 minutes longer. Pour into well greased 1 1/2 quart casserole and add meatballs. Bake in a 300 degree oven for 30 minutes. 4 servings.