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Watermelon Slushie Recipe

Watermelon slushie recipe blended from frozen watermelon for a frosty, snow-cone-like texture with no ice needed. Bright lime juice and honey or sugar make it smooth, pink-red, and instantly pourable.
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Prep Time 5 minutes
freeze time 2 hours
Total Time 2 hours 5 minutes
Servings: 2 servings
Course: Drink
Cuisine: American
Calories: 80
Ingredients Equipment Method Notes

Ingredients
  

Watermelon
  • 4 cup seedless watermelon, cubed and frozen Frozen solid before blending.
Citrus and Sweetener
  • 2 tbsp lime juice Freshly squeezed if possible.
  • 2 tbsp honey or sugar Use honey for floral sweetness or sugar for a neutral finish.
  • 0.25 cup water Helps the blender run smoothly.
Garnish
  • 1 fresh mint for garnish Add right before serving.

Equipment

  • 1 stand mixer
  • 1 sheet pan

Method
 

Freeze the watermelon
  1. Spread seedless watermelon, cubed and frozen onto a sheet pan in an even layer and freeze at 0°F until solid, at least 2 hours (watch for no soft spots). The cubes should look frosty and hold their shape when you nudge them.
Blend into slush
  1. Add the frozen seedless watermelon, lime juice, water, and honey or sugar to a stand mixer and blend until smooth, scraping down once if needed (about 30–60 seconds). Stop when the texture looks like thick, pourable slush with no visible chunks.
Serve immediately
  1. Pour the watermelon slushie into glasses right away before it melts, filling to your preferred level (visual cue: glossy, slushy consistency in the glass).
  2. Garnish with fresh mint for garnish and add a watermelon wedge, if desired, so the top looks bright and fragrant. Serve immediately for the coldest texture.

Notes

Pro tip: make the slush right after blending for the best crystalline texture—frozen watermelon is the only “ice.” Store leftovers covered in the freezer for up to 1 day, then re-blend briefly to refresh; freezing doesn’t ruin flavor but can soften the slush texture. For a lower-sugar option, swap honey or sugar with a sugar-free sweetener that measures cup-for-cup or to taste.