1 cup ketchup

1 cup dark brown sugar

3 Tbsp butter

1 Tbsp hot sauce

1 Tbsp Worcestershire sauce

1/4 onion, grated

1 Tbsp dry rub

1 Tbsp black pepper, freshly ground

1/2 Tbsp garlic powder

1/2 Tbsp Sichuan chili flakes

1/2 Tbsp Dijon mustard

1/2 tsp liquid smoke

1/2 cup water

Juice of half a lemon

Add all the ingredients to a saucepan. Simmer on medium-low heat until thickened, about 30-45 minutes.