Traditional Barbecue Sauce - cooking recipe

Ingredients

2 tablespoons vegetable oil
1 onion, chopped
1 garlic clove, minced
1 1/4 cups ketchup
1/2 cup cider vinegar
1/3 cup Worcestershire sauce
1/3 cup brown sugar
1 tablespoon chili powder
3 drops hot red pepper sauce (I use Tabasco)

Preparation

Heat the oil in a medium saucepan, add the onion and garlic and cook gently for 10 minutes.
Add the ketchup, vinegar, Worcestershire sauce, brown sugar, chili powder and red pepper sauce.
Let the mixture simmer for about 20 minutes, stirring occasionally, until it is slightly thickened.
Let cool, then refrigerate, tightly covered.