Fireman'S Sour - cooking recipe

Ingredients

4 fluid ounces rum
3 fluid ounces lime juice
1 fluid ounce grenadine syrup
1 fluid ounce simple syrup

Preparation

Pour the rum, lime juice, grenadine, and simple syrup into a cocktail shaker over ice. Cover, and shake until the outside of the shaker has frosted. Strain into clean test tubes or shot glasses to serve.