Start by prepping your racks the night before if you can, or at minimum 2 hours before cook time. Lay each rack bone side up on a cutting board and locate the thin papery membrane stretched across the bones. Slide a butter knife or the tip of a spoon under the membrane at one end, grab it with a paper towel for grip, and peel it completely off in one long pull. This step is non-negotiable for competition ribs - leaving the membrane on creates a rubbery barrier that blocks smoke penetration and prevents your rub from flavoring the meat on that side.

Mix your dry rub in a small bowl by combining the brown sugar, smoked paprika, kosher salt, black pepper, garlic powder, onion powder, cayenne, and mustard powder. Stir until everything is evenly distributed. Coat both sides and all edges of each rack with a thin layer of yellow mustard - do not worry about the mustard flavor, it cooks off completely and simply acts as a glue for your rub. Apply your rub generously over the mustard on both sides, pressing it in firmly with your hands so it adheres well. Wrap the racks loosely in plastic wrap and refrigerate for at least 2 hours or overnight.

About an hour before cook time, fire up the grill or smoker and bring it to a stable temperature of 225 to 250 degrees Fahrenheit. Set up for indirect heat with your fire on one side and your ribs on the other. Add 2 to 3 chunks of cherry or apple wood directly on your coals or in your firebox. Cherry wood gives a beautiful dark mahogany color to the bark and a mildly sweet smoke flavor that pairs perfectly with pork. Let the smoker run until the smoke coming from the vent turns thin and blue rather than thick and white - this is clean smoke and what you want your ribs bathed in.

Remove your ribs from the refrigerator 30 minutes before they go on to let them come closer to room temperature. Place the racks bone side down on the grate in your indirect heat zone. Close the lid and leave them alone for the first 45 minutes. Resist the urge to open the lid constantly - every time you lift the lid you lose heat and smoke. After 45 minutes begin spritzing the surface of the ribs with apple juice every 45 minutes to keep the surface moist and encourage bark development without drying out the crust.

After 3 full hours of open smoke your ribs should have a deep reddish-brown color developing on the surface and the bark should be starting to set. You may notice a faint but visible smoke ring forming just below the surface of the meat along the bone side - that pink layer is caused by the nitric oxide in the wood smoke reacting with the myoglobin in the pork and is the hallmark of a properly smoked rib. This is your signal to move into the wrap phase.

Tear off two large sheets of heavy duty aluminum foil, enough to wrap each rack completely with room to fold the edges tightly. Lay one rack meat side down in the center of the foil. Place 2 tablespoons of butter pats on top of the bone side, drizzle 2 tablespoons of honey over the bones, and pour 2 tablespoons of apple juice along the length of the rack. Fold and crimp the foil edges tightly to create a sealed packet that will trap all of that steam and liquid inside. Repeat with the second rack. Return both foil-wrapped racks to the smoker bone side down at the same 225 to 250 degree temperature.

Cook the wrapped ribs for 2 full hours. During this phase the trapped steam and braising liquid will push the internal temp of the ribs through the dreaded stall - the point around 160 to 170 degrees Fahrenheit where evaporative cooling stalls the internal temp rise for what feels like forever. The foil shortcut eliminates that wait and drives the ribs toward the 195 to 200 degree range where the collagen in the connective tissue fully converts to gelatin, giving you that melt-in-your-mouth tenderness competition judges look for.

After 2 hours carefully open one corner of the foil packet and insert your instant read thermometer into the thickest part of the rack, avoiding the bone. You are looking for an internal temp between 195 and 203 degrees Fahrenheit. If you are not there yet, re-seal the foil and give it another 20 to 30 minutes. While the ribs are still wrapped, do the bend test by picking up one end of the rack with tongs - a properly cooked rack should flex and crack slightly in the center but should not fall apart. If it snaps in half immediately it may be slightly overcooked, but if it does not bend at all it needs more time.

Once your ribs hit the proper internal temp and pass the bend test, carefully remove them from the foil and return them to the grate meat side up. Pour any accumulated juices from the foil packets into a small bowl and discard or save for another use. Mix your BBQ sauce with the apple cider vinegar in a small bowl to thin it slightly. Apply a thin coat of the thinned glaze to the top of both racks using your basting brush. Close the lid and let the glaze set for 15 minutes, then apply a second thin coat. Repeat this process 2 to 3 times over the final hour, building up a deep glossy lacquered finish layer by layer.

After the final glaze coat has had 15 minutes to set, pull your racks off the smoker and place them on a clean cutting board. Tent them loosely with a sheet of aluminum foil and rest the meat for at least 15 to 20 minutes before cutting. This resting period allows the juices to redistribute throughout the meat so they do not all run out the moment you make your first cut. After resting, slice between each bone with a sharp boning knife or slicing knife using one smooth downward motion. For competition presentation, arrange the bones on a sheet of white butcher paper or a wooden board and serve immediately.