Three Bean Casserole

1 pound beef frankfurters, sliced

1 (15 ounce) can pork and beans

1 (15 ounce) can butter beans

1 (16 ounce) can chili beans, drained

1 small onion, chopped

½ cup brown sugar

¼ teaspoon dried oregano

2 tablespoons distilled white vinegar

Preheat oven to 350 degrees F (175 degrees C).

In a large bowl combine the frankfurters, pork and beans, butter beans, chili beans, onion, sugar, oregano and vinegar. Mix all together and pour mixture into a lightly greased 9x13-inch baking dish.

Bake uncovered at 350 degrees F (175 degrees C) for 1 hour, or until cooked through and bubbly.