Combine all ingredients in a small saucepan. Yes, it’s basically a fancy sneeze of flavor. Stir to combine.
Bring to a gentle simmer over medium heat. You’ll see it bubble like it’s gossiping about your cooking skills.
Lower heat and simmer 10–15 minutes, stirring occasionally. The sauce will thicken and cling to the back of a spoon.
Taste and adjust seasoning: a bit more vinegar for tang, sugar for sweet, or cayenne for kick. Remember: you control the heat, not the sauce.
Remove from heat and let cool slightly. It will thicken a touch more as it rests. Use immediately or store for later.