Slow Cooker Calico Beans

Ingredients

• 2 teaspoons canola oil
• 1 large sweet onion, chopped
• 1 medium sweet red pepper, chopped
• 2 cans (28 ounces each) vegetarian baked beans
• 1 can (16 ounces) butter beans, rinsed and drained
• 1 can (16 ounces) kidney beans, rinsed and drained
• 1 can (14-1/2 ounces) fire-roasted diced tomatoes, undrained
• 1/2 cup ketchup
• 1/3 cup packed brown sugar
• 1 tablespoon ground mustard
• 1 tablespoon cider vinegar
• 1 teaspoon salt
• 1 teaspoon Worcestershire sauce