Easy Bourbon BBQ Sauce

1/2 cup dark brown sugar plus 1 tablespoon
1/4 cup bourbon
1/2 cup tomato ketchup
2 teaspoons liquid smoke
1 clove minced garlic
1 tablespoon minced onion

In a saucepan combine brown sugar and bourbon. Turn heat to medium and mix well.
Add ketchup and remaining ingredients. Stir until all is well blended.
Heat through for about 15 to 20 minutes, stirring occasionally.