Apple Orchard Barbecue Sauce

1 medium onion, grated or finely chopped
4 cups pressed apple cider (not pasteurized apple juice)
1/2 cup cider vinegar
1/2 cup firmly packed dark brown sugar
1 tablespoon whole mustard seed
1 teaspoon celery salt or celery seed
1 tablespoon Worcestershire sauce
1 tablespoon liquid smoke
2 (12 ounce) bottles chili sauce
Hot pepper sauce, to taste (optional)

Bring all ingredients to boil in a large saucepan. Reduce heat and simmer until sauce is thickened and volume is halved. Pour hot sauce into two 1-pint sterilized jars. Seal with 2-piece sterilized lids. Water-bath process for 10 minutes. Remove with tongs. Cool. Decorate with Baster Brush Wrap.

Baster Brush Wrap:
1 (12-inch) length 1/4-inch wide
    red grosgrain ribbon
1 small baster brush

Center gingham squares on jar lid. Slip rubber band over fabric, gathering in around the rim of jar. Tightly tie ribbon around jar lid. Tie ribbon streamers in bow around handle of basting brush. Remove rubber bands.