For the sauce: In a medium saucepan, heat the garlic and peanut oil. Add the soy sauce, water, honey brown sugar, cinnamon, toasted sesame oil, rice wine vinegar, ginger and pepper. Simmer for 5 minutes. Combine the cornstarch and dissolve in ¼ cup water to make a slurry. Add to the sauce and simmer 1 minute, or until thickened.