Preheat grill for medium-low heat. The thermometer should reach about 300ºF (150°C)
2. Step
Place ribs on a foil-covered sheet tray. Rub both sides of the ribs with olive oil and salt.
3. Step
Brush French’s Honey Mustard on both sides, covering all areas. Fold foil over ribs to form an enclosed packet. Use a knife to poke a few venting slits in each foil pack.
4. Step
Place foil-wrapped rack on grill, close lid, and cook for 1–2 hours, until ribs are tender but not falling apart.
5. Step
Glaze: Melt butter in a small saucepan over low heat. Add in the rest of the ingredients and whisk well. Let glaze simmer for 2–3 minutes. Remove from heat.
6. Step
Unwrap the foil and spread the glaze all over the ribs.
7. Step
Oil the grill and turn the heat up to high. Grill ribs on both sides until ribs become caramelized, 10–15 minutes.
8. Step
Remove from grill, then let cool for 10 minutes before slicing and serving.
