The below recipe is for Stephenson's "BBQ Beans" from their 1977 recipe booklet.
Stephenson's Old Apple Farm BBQ Beans (Makes 6 to 8 servings) Two 1-lb cans Pork and Beans 1 cup drained canned Tomatoes 1 cup Apple Cider 1/2 cup Catsup 1/2 cup Brown Sugar 1/2 onion, chopped 2 Tablespoons Horseradish 1 Tablespoon Worcestershire Sauce 1 teaspoon Seasoned Salt 1 teaspoon Dried Mustard 1/2 teaspoon Pepper 1/2 teaspoon Accent Mix all ingredients in shallow 3-quart baking pan. Bake at 350 degrees about 1-1/2 to 2 hours.