Barbecue Sauce - cooking recipe

Ingredients

1 Tbsp. oil
1/2 c. onion, finely chopped
2 Tbsp. vinegar
1 Tbsp. Worcestershire sauce
1/4 c. lemon juice
1 bottle chili sauce
1/2 c. water
liquid smoke to taste
brown sugar to taste

Preparation

Brown onion in oil.
Add rest of ingredients.
Rinse out chili bottle with water and add.
Simmer until thickened.