Homemade Barbecue Sauce

2 tablespoons olive oil 
1 onion, chopped 
2 cloves garlic, minced 
1/4 cup cider vinegar 
1 1/2 cups ketchup 
2 tablespoons brown sugar 
1 lemon 
Tabasco sauce 
Salt and pepper 
In a saucepan, heat oil and cook onion until tender. Stir in garlic and cook for 30 seconds. Stir in vinegar, ketchup, brown sugar and juice of lemon. Simmer for 15 minutes and season with Tabasco, salt and pepper. 

Yield: 2 cups sauce