"We love cranberry margaritas because they're beautiful and festive, and are a reminder that margaritas aren't just for summer."
Dip rims of 6 (8-oz.) glasses in 1 Tbsp. cranberry juice; dip rims in sugar to coat. Fill glasses with ice. Process cranberries, tequila, 3/4 cup cranberry juice, lime juice, orange liqueur, and 1/3 cup sugar in a blender 30 seconds. Pour mixture through a fine wire-mesh strainer into a large pitcher. Stir in chilled club soda and orange juice. Pour into prepared glasses. Garnish, if desired.
*Thawed frozen cranberries may be substituted.