Slow Cooker St Louis Style Ribs are tender and flavorful pork ribs cooked low and slow in a tangy barbecue sauce. The ribs are seasoned with a dry rub, then cooked in the slow cooker until they are fall-off-the-bone tender. The tangy barbecue sauce adds a delicious smoky flavor to the ribs. Serve these ribs with coleslaw and cornbread for a classic barbecue meal.