By Grocery List Plus Editorial Staff | Published on June 4, 2026

Serves 6
50 cal · 135 min
Minty Watermelon Cooler
Recipe GLPRf346008de9ba92
A refreshing frozen watermelon beverage infused with fresh mint and a hint of warm spice. This smooth, icy drink combines the natural sweetness of frozen watermelon with the bright, cooling flavor of mint-infused water and a touch of milk for creaminess. Perfect for hot days or as a light, naturally sweet refreshment.
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Ingredients
6 cups frozen watermelon cubes
1 cup fresh mint leaves
1 cup water
¼ tsp ground cinnamon
½ cup milk
Directions
Prepare fresh watermelon by cutting into cubes and arrange in a single layer on a baking sheet. Freeze for 1 to 2 hours until solid.
Bring 1 cup of water to a boil. Pour the boiling water over the fresh mint leaves in a heatproof bowl or pitcher and let steep for 10 minutes to extract the mint flavor.
Strain the mint leaves from the liquid, discarding the solids. Place the mint-infused water in the refrigerator and chill for 1 to 2 hours until completely cool.
Add the frozen watermelon cubes, chilled mint-infused water, ground cinnamon, and milk to a blender.
Blend on high speed for about 15 seconds, until the mixture becomes smooth and creamy with a uniform consistency. Do not over-blend.
Pour the cooler into serving glasses and serve immediately while still cold and thick.
Comments
This recipe hits the main availability and cost wins: watermelon and mint are ordinary at every Charlotte chain, cinnamon sits in any spice aisle, and milk is universal. The real constraint is that 135 minutes is almost entirely inactive—blending the watermelon and mint takes maybe 10 minutes tops, which means the stated time is a blender-to-serve window for chilling, not honest prep. For a cooler meant to come together quickly on a hot day, the timeframe sets wrong expectations. Cost per serving runs low, roughly $1.50–$2.00 depending on watermelon season and milk choice, which is solid for a six-person summer drink. Reheating is not an issue since this is meant cold, and it's an undemanding, kid-friendly batch drink that never needs attention once blended.
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