1 lg. can B&M beans
1 sm. can green lima beans
1 can kidney beans
1/4 c. catsup
1/4 c. maple syrup
1/4 c. vinegar
1/4 c. brown sugar
1/2 tsp. dry mustard
Whole onion, studded with 4 cloves
Salt pork or bacon (opt.)

Mix all ingredients together. Bury the salt pork or bacon if you use it. Bake for 3 hours in slow oven, 250 to 300 degrees.