- 1 1/3 cups ketchup
- 1/3 cider vinegar
- 1/2 cup pure maple syrup
- 1/4 cup honey
- 1 tsp shio koji
- 1/8 cup Worcester sauce
- 1 tsp marmite, yeast extract (optional)
- 1 minced onion
- 1 minced garlic
1. Combine all ingredients except honey in a heavy-bottomed nonstick saucepan and place over medium-high heat and bring to a boil. Reduce heat to medium-low and simmer, uncovered, stirring occasionally, until mixture is thick enough, add honey at the end, about 1/2 hours.
