• 450 ml ketchup
• 50 ml worcestershire sauce
• 5 ts brown sugar
• 2 ts spicy french mustard
• 1 teaspoon garlic powder
• 1 teaspoon ground cumin
• 2 branches of thyme
• 450 ml of water

Cook very slowly all together for about 30 minutes. If necessary add water to get the right substance / thickness. Remove the 2 branches of thyme.