Shake Up A Watermelon Peach Sour With Castle & Key’s Restoration Rye
At a recent whiskey event, I had the chance to try Castle & Key’s Watermelon Peach Sour, and let me tell you—this cocktail was the perfect summer sipper. Served from their cocktail truck on a hot day, it was bright, refreshing, and had just the right balance of tart citrus, juicy fruit, and a smooth rye backbone. If you’re looking for a whiskey cocktail that’s easy to enjoy, this one’s a winner. The best part? Castle & Key shared the recipe so you can make it at home!

Watermelon Peach Sour Recipe
Ingredients:
• 1.5 oz Castle & Key Restoration Rye Whiskey
• 0.75 oz Sweetened Meyer Lemon Purée (recipe below)
• 0.25 oz Monin Peach Syrup
• 0.25 oz Monin Watermelon Syrup
Instructions:
1. Combine all ingredients in a shaker with ice.
2. Shake well and strain into a rocks glass over fresh ice.
3. Garnish and enjoy!
Sweetened Meyer Lemon Purée Recipe
• 15 oz Meyer Lemon Purée
• 9 oz White Sugar
• 2 oz Demerara Sugar
• 0.5 tsp Orange Blossom Water
Instructions:
1. Heat all ingredients together until the sugars dissolve (about 10-15 minutes).
2. Let cool before using. Makes about 20 oz of purée.
If you’re a whiskey fan looking for something light and refreshing, this cocktail is definitely worth a try. Grab a bottle of Restoration Rye or your preferred Rye Whiskey, mix up a batch of the purée, and bring a little bit of Castle & Key’s summer magic to your own glass!