Ingredients:

• 1/3 cup soy sauce (use gluten-free soy sauce for gluten-free version)
• 1/3 cup orange marmalade
• 1/3 cup honey
• 1 tablepoon rice wine vinegar plus 1 teaspoon
• Pinch crushed red pepper flakes
• 1 pound pork tenderloin
• 2 scallions, thinly sliced (optional)
• Olive oil (for grill)