In a bowl, combine minced garlic, chili powder, cumin, smoked paprika, oregano, black pepper, salt, lime juice, and pineapple juice. Add the sliced pork and marinate for at least 15 minutes.
2
Heat vegetable oil in a skillet over medium-high heat. Add marinated pork slices and cook until browned and cooked through, about 10-12 minutes.
3
While the pork cooks, grill or toast the pineapple slices until caramelized, about 2-3 minutes per side.
4
Warm the corn tortillas in a dry skillet or microwave.
5
Assemble tacos by placing cooked pork on tortillas, topping with grilled pineapple, cilantro, and optional shredded cabbage or lettuce. Add salsa or hot sauce if desired.