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Halloween Rosemary's Baby Keto Cocktail

This Halloween Keto Cocktail is cleverly called a "Rosemary's Baby". This flavorful drink is perfect to serve at your Halloween party! Featuring fresh rosemary, orange peel, blackberries, and bourbon, this cocktail is keto, low-carb, paleo, grain-free, and gluten-free!
Prep Time10 mins
Cook Time5 mins
Total Time15 mins
Course: Appetizer
Cuisine: American
Servings: 4 Servings
Calories: 149kcal
Author: Clean Keto Lifestyle


For the Orange Rosemary Simple Syrup

  • 6 tablespoons water
  • 3 tablespoons granular erythritol
  • peel of one orange
  • 1 sprig rosemary

For the Cocktail

  • 1 cup blackberries
  • 1 tablespoons rosemary leaves
  • 8 dashes aromatic or cinnamon bitters
  • 6 ounces bourbon
  • 1 cup club soda


  • In a small saucepan set to medium heat, add water, sweetener, orange peel, and rosemary.
  • Let it simmer for 5 minutes, then turn off the heat and allow it to cool to room temperature.
  • In cocktail shaker, muddle together blackberries and rosemary leaves.
  • Add in orange rosemary simple syrup, bitters, and bourbon. Shake.
  • Pour into 4 glasses and top each with 1/4 cup club soda.
  • Garnish with skewered blackberries and a smoking rosemary sprig.