Remove the membrane on the back of the ribs.
Lather mustard all over the ribs.
Sprinkle and season the ribs with spice rub.
Smoke ribs for 3 hours at 225 degrees.
After 3 hours, remove the ribs and spray with a sweet liquid such as apple juice or Dr. Pepper. Wrap in aluminum foil.
Put wrapped ribs back in the smoker or in an oven. If using an oven bake at 300 degrees Fahrenheit for 2 hours.
After 2 hours take out ribs. Remove aluminum foil and put the ribs on the grill. Cook these on low heat for 1 hour.
After 1 hour, baste ribs with the BBQ until sauce is heated. Remove, eatl and enjoy!