How to Make It
Heat a grill pan over medium-high. Rub pork with cut sides of garlic; discard garlic. Sprinkle pork with turmeric, 1/4 teaspoon salt, and 1/4 teaspoon pepper. Combine 2 tablespoons oil, fish sauce, oyster sauce, and tomato paste. Brush both sides of pork with half of oil mixture. Add pork to pan; grill 4 minutes on each side or until desired degree of doneness. Transfer to a plate; brush both sides of pork with remaining oil mixture. Keep warm.
Add onions to grill pan over medium-high; grill 2 minutes. Coarsely chop onions.
Heat rice according to package directions. Combine green onions, rice, remaining 1 tablespoon oil, 1/4 teaspoon salt, and 1/4 teaspoon pepper. Serve rice with pork. Sprinkle with cilantro; serve with lime wedges.