Continental Cooler

Continental Cooler
1 ½ c cold French roast coffee
½ tsp Agnostura Bitters
½ tsp vanilla
1 ½ tbsp sugar
1 c club soda
4 orange slices
Mix coffee, bitters, vanilla and sugar in blender.
Blend on low speed 2 minutes.
Serve over ice in 10 oz glass, 2 inches from top.
Top off each glass with club soda and orange slice.