6 eggs, slightly beaten
1 lb. bulk pork sausage, browned and drained
1 c. Bisquick baking mix
1 c. shredded Cheddar cheese
2 c. milk
1 tsp. dry mustard
1/2 tsp. dried oregano leaves (optional)

Mix all ingredients. Cover and refrigerate. Heat oven to 350 degrees. Grease 2-quart casserole; pour mixture into casserole. Bake until knife inserted in center comes out clean, about 1 hour. 6 servings.