Deviled Ham Baked Beans recipe

1/2 cup chopped onion
1 (4 1/2 ounce) can deviled ham
1 tablespoon molasses
1 teaspoon prepared mustard
Dash of salt
1 (16 ounce) can pork and beans in tomato sauce
1 (8 ounce) can tomatoes, well drained (1/2 cup)

Combine all ingredients in a 1-quart casserole and bake uncovered in at 350 degrees F for 1 1/2 hours.