Celebrate National Baked Bean Month by bringing this simple but delicious side dish to your next backyard barbecue. Slow Cooker Baked Beans 1½ pounds ground beef ½-1 cup chopped onions 2 28-ounce cans baked beans 15-ounce can of light red kidney beans, drained ½ cup ketchup 1/3 cup barbecue sauce ¼ cup packed brown sugar 3 tablespoons cider vinegar Brown the ground beef, and drain the fat. Place in a slow cooker. Add remaining ingredients. Cover and cook on low for 4-6 hours, stirring occasionally.