1. Remove the membrane from the ribs. To do this, slide a knife under the membrane and over a bone. Lift and loosen the membrane until it tears. Grab the edge of the membrane with a paper towel and pull it off.
1. In a pot, put a water enough to cover the ribs. Add the ribs and put salt, pepper, and bay leaves. Boil for 1 hour or until the meat is tender. Remove from the pot.
2. Brush the ribs liberally with barbecue sauce. Tear off aluminum foil enough to enclose the ribs. Wrap the ribs tightly with the aluminum foil and refrigerate for at least 8 hours or overnight. Set aside at room temperature.
1. Remove the ribs from the foil, place them meaty-side up on the grill, and brush them with some of the sauce. Cover the grill and cook for 5 minutes.
2. Flip and brush the ribs and cook another 5 minutes. Continue to cook, flipping and brushing every 5 minutes, until the sauce has thickened and the ribs are heated through and have grill marks. (total grilling time of 30 minutes).
3. Transfer the ribs to a serving plate then garnish with lemon slices the serve with barbecue sauce.