Meatless Sloppy Joes-crockpot

[LadyCook61]

Recipe from one of my crockpot cookbooks.

2 cups thinly sliced onions
2 cups chopped green bell peppers
1 can 15oz kidney beans , drained and mashed
1 can 8 oz tomato sauce
2 tablespoons ketchup
1 tablespoon prepared mustard
2 cloves garlic finely chopped
1 teaspoon chili powder
cider vinegar (optional)
2 sandwich rolls , halved

combine all ingredients except rolls in slow cooker. Cover and cook on low 5-5 1/2 hrs. or until vegetables are tender. Serve on rolls, makes 4 servings.