Step 1: In a pot over medium- low heat add your water, soy sauce, and oyster sauce and mix well. Let it cook for 3 - 4 minutes.
Step 2: Add your honey and coconut or brown sugar. Mix it in well and let it continue to cook for another 2- 3 minutes.
Step 3: Add your chopped garlic and pepper flakes and let it cook for 4 -5 minutes on low heat.
Step 4: In a small bowl add your 1 tbsp of cornstarch and ⅛ cup of cold water and mix well.
Step 5: Slowly add your cornstarch to the sauce and mix well until it thickens. Let it cook for 3 - 4 minutes over low heat.
Step 6: If the sauce is still watery let it cook for a few more minutes. Your sauce should look like this photo.