Combine garlic, oil, vinegar, lime juice, oregano, onion powder, cumin, chili powder and sugar in bowl; mix well. Rub all sides of pork loin with marinade, making sure it's completely covered. Wrap loin with plastic wrap; marinate in refrigerator overnight or at least 14 hours for the best results.
Remove loin from refrigerator; let stand at room temperature for 1 hour.
Heat oven to 400°F. Cover bottom of roasting pan with sliced onions; add 1 cup water. Remove loin from plastic wrap and place on top of onions.
Roast pork loin at 400°F for 20 minutes; turn over and roast an additional 20 minutes. Cover top with aluminum foil loin starts to burn.
Reduce heat oven temperature to 275°F and continue for 1 1/2 hours; add 1/2 cup water as needed. Don't let bottom of pan dry out and burn. Turn off oven and leave pork in for 20 minutes.
Let meat stand for 15 minutes before slicing. Serve with onions on top of pork slices, along with rice and beans on the side.
Combine garlic, oil, vinegar, lime juice, oregano, onion powder, cumin, chili powder and sugar in bowl; mix well. Rub all sides of pork loin with marinade, making sure it's completely covered. Wrap loin with plastic wrap; marinate in refrigerator overnight or at least 14 hours for the best results.
Remove loin from refrigerator; let stand at room temperature for 1 hour.
Heat oven to 400°F. Cover bottom of roasting pan with sliced onions; add 1 cup water. Remove loin from plastic wrap and place on top of onions.
Roast pork loin at 400°F for 20 minutes; turn over and roast an additional 20 minutes. Cover top with aluminum foil loin starts to burn.
Reduce heat oven temperature to 275°F and continue for 1 1/2 hours; add 1/2 cup water as needed. Don't let bottom of pan dry out and burn. Turn off oven and leave pork in for 20 minutes.
Let meat stand for 15 minutes before slicing. Serve with onions on top of pork slices, along with rice and beans on the side.
If you like a very drinkable red wine that can be enjoyed throughout the meal, uncork a bottle of Pinot Noir. Its light, jammy flavor enhances pork and makes each bite perfect.