3.
Stir cream cheese, Monterey Jack cheese, garlic powder, cumin, chili powder, salt, and smoked paprika together in a bowl. Spoon 1 tablespoon cream cheese mixture into each jalapeno pepper.
4.
Loosely wrap peppers in foil, keeping them in one layer. Place on grill and cook for about 8 minutes with the grill lid closed, until the peppers are soft and the stuffing is gooey. Serve.