In a medium saucepan, heat oil over medium high heat and add onion and garlic. Sauté for 3-4 minutes, or until softened.
Stir in spices and cook for a minute or so, until fragrant.
Add ketchup, water, brown sugar, apple cider vinegar and Worcestershire sauce. Bring it to a boil. Then reduce heat to medium low and simmer the sauce for 20 minutes, stirring occasionally.
Salt and pepper to taste.
Notes
Store in airtight container in the fridge for up to 3 months.