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5 from 4 votes
easy shamrock sour drink

Shamrock Sour

Prep Time
5 mins
Total Time
5 mins

Shamrock Sour is tangy, boozy, and tinted emerald in honor of the Irishholiday. Say cheers to St. Paddy’s Day with this refreshing drink!

Course: Drinks
Cuisine: Irish
Keyword: Shamrock Sour
Servings: 2 drinks
Calories: 544 kcal
Author: Marionela Tiron


  • 4 tablespoons lime juice
  • 1/2 cup simple syrup
  • 8 ounces Irish whiskey
  • 4 ounces grapefruit juice
  • 2 tiny drops of green food coloring
  • lime wedges for garnish


  1. Combine ingredients and shake well, make sure you add just a tiny drop of food coloring and if needed add more.
  2. Strain over ice, pour into two glasses with ice and serve with a lime wedge.

Nutrition Facts

Shamrock Sour
Amount Per Serving
Calories 544 Calories from Fat 9
% Daily Value*
Fat 1g2%
Sodium 51mg2%
Potassium 181mg5%
Carbohydrates 71g24%
Fiber 1g4%
Sugar 69g77%
Protein 1g2%
Vitamin A 19IU0%
Vitamin C 24mg29%
Calcium 20mg2%
Iron 3mg17%
* Percent Daily Values are based on a 2000 calorie diet.