In a small dish, add the gochujang, garlic, sugar, plum syrup (or brown sugar and lemon juice), sesame oil and rice wine vinegar. Mix together until combined.
2 tbsp Korean hot pepper paste / gochujang, 1 tbsp garlic, 1 tbsp sugar, 1 tbsp plum syrup, 1 tsp sesame oil, 1 tsp rice wine vinegar