Watermelon Lemonade Slush with Fresh Mint

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

An icy slush blending watermelon and lemon juice with a touch of sweetness and crushed ice, finished with fresh mint for a cooling twist. This american-inspired 4th of july ready in about 10 minutes brings together seedless watermelon, cubed, fresh lemon juice, white sugar for a refreshing, crowd-pleasing drink — a bright, easy pour for parties, gatherings, or any warm-weather afternoon when you want something festive without alcohol-only options. Each serving lands at about 110 calories and feeds 4, so it works for entertaining, brunch, or a non-alcoholic option at the bar cart. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Serves 4 American cuisine 110 cal/serving
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Ingredients

Instructions

  1. Step 1: Combine 4 cups of seedless watermelon cubes, 1/2 cup fresh lemon juice, 1/4 cup white sugar, and 2 cups cold water in a blender. Blend on high speed for 1 minute until smooth and the sugar is dissolved.
  2. Step 2: Add 5 cups of ice cubes and 8 fresh mint leaves to the blender. Pulse 6-8 times until the ice is crushed and the mixture is slushy but not too liquid.
  3. Step 3: Pour the watermelon lemonade slush into tall glasses and garnish each with a sprig of mint for an extra refreshing aroma.
  4. Step 4: Serve immediately to enjoy the icy texture and vibrant flavors.

Equipment for this recipe

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Frequently asked questions

How long does Watermelon Lemonade Slush with Fresh Mint take to make?

Total time is about 10 minutes (10 min prep + 0 min cook). Most home bartenders find this fits a single afternoon; scale up the batch for parties or pitchers.

How do I store leftover Watermelon Lemonade Slush with Fresh Mint?

Refrigerate any leftover watermelon lemonade slush with fresh mint in a sealed pitcher or jar for up to 3–4 days. Do not reheat — drinks are served chilled. If the recipe uses sparkling water or fresh herbs, hold those back and add fresh just before pouring so the drink stays bright and fizzy.

Can I substitute ingredients in Watermelon Lemonade Slush with Fresh Mint?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Watermelon Lemonade Slush with Fresh Mint for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Watermelon Lemonade Slush with Fresh Mint?

American 4th of july like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.