Beer Barbecue Sauce

One 12-ounce bottle beer, preferably a wheat beer or a summer ale

13â„4 cups canned tomato sauce

6 tablespoons ketchup

6 tablespoons cider vinegar

1â„4 cup bottled chili sauce, such as Heinz

3 tablespoons packed dark brown sugar

1â„2 teaspoon red pepper fl akes

1â„4 teaspoon garlic powder

1 dried ancho chile, cored and seeded, then ground in a spice grinder or mini-food processor, or 2 tablespoons ancho chile powder

Whisk all the ingredients in a medium saucepan set over medium heat.
Bring to a simmer, then reduce the heat and simmer slowly until thickened, about 20 minutes.
Keep warm on the stove or cover and refrigerate for up to 3 days.

Makes a little less than 3 cups