Blood Orange Cinnamon Pear Cocktail

If you like pears this may be your go to drink fall through winter.  We are mad for this Italian Cinnamon Pear Soda from World Market.  So good in cocktails.  

1 1/2 oz Vodka
1/2 oz Grand Marnier
4 oz Italian Cinnamon Pear Soda
1 oz Blood Orange Juice

Shake all ingredients in a shaker with ice.  Strain over ice and garnish with a slice of fresh pear.