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Watermelon Slushie Recipe Two round glasses filled with bright red watermelon slushie, garnished with a small watermelon wedge and mint leaves, sitting on a plate with ice."

Watermelon Slushie Recipe

The easiest, most refreshing 3-ingredient Watermelon Slushie Recipe! Naturally sweet, hydrating, and ready in just 5 minutes. Perfect for kids, adults, and hot summer days.
5 from 1 vote
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Course: Drinks, Smoothie, Summer Beverages
Cuisine: American, Kid-Friendly, Mexican-Inspired
Keyword: Best watermelon slushie recipe, Watermelon slushie cocktail, Watermelon Slushie Machine recipe, Watermelon slushie recipe easy, Watermelon slushie recipe for kids, Watermelon slushie recipe with sprite
Prep Time: 5 minutes
Freezing Time (optional): 2 hours
Total Time: 2 hours 5 minutes
Servings: 3 servings
Calories: 90kcal
Cost: $6

Equipment

  • 1 Blender (High-powered is best, but any works)
  • 1 Cutting board (For cutting watermelon)
  • 1 Sharp knife (To cube watermelon)
  • 2-3 Tall glasses (For serving)
  • optional Reusable straws (Kid approved)

Ingredients

Basic Slushie

  • 4 cups Watermelon cubed - Fresh or frozen; seeded if possible
  • 2 cups Ice - Use less if watermelon is frozen
  • 2 tablespoon Lime juice - Freshly squeezed

Optional Sweeteners

  • 1–2 tablespoon Honey - Optional
  • 1 tablespoon Agave nectar - Optional
  • 2 tablespoon Simple syrup - Optional
  • to taste — Stevia - Optional

Flavor Add-Ins

  • 6–10 leaves Fresh mint - For mojito-style flavor
  • ½ cup Strawberries - Fresh or frozen
  • ¼ cup Pineapple chunks - Tropical twist
  • 1 splash Coconut water - Extra hydration

Adult Version Cocktail

  • 2 oz Vodka or white rum - Per serving
  • 1 oz Triple sec - Optional

Instructions

  • Cut the watermelon into 1-inch cubes and remove seeds. Measure out about 4 cups.
    "A rustic kitchen scene where hands are cutting a watermelon into cubes on a wooden board, with a bowl full of diced watermelon in the background and a striped cloth nearby."
  • Add watermelon, ice, and lime juice to the blender.
  • Blend on high for 30–60 seconds until smooth and slushy.
    "Overhead view of a blender filled with bright red watermelon cubes mixed with crushed ice, with small bowls of water, sugar, and lime halves arranged around it on a light countertop."
  • Taste and adjust with more lime, sweetener, mint, or ice as needed.
  • Pour into glasses and serve immediately for best texture.

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 350g | Calories: 90kcal (5%) | Carbohydrates: 23g (8%) | Protein: 2g (4%) | Fat: 0.5g (1%) | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.1g | Sodium: 4mg | Potassium: 320mg (9%) | Fiber: 1g (4%) | Sugar: 18g (20%) | Vitamin A: 950IU (19%) | Vitamin C: 18mg (22%) | Calcium: 15mg (2%) | Iron: 0.4mg (2%)
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