Watermelon Slushie Browse more: Recipes Ingredients 4 cups cubed seedless watermelon10 ice cubes1/3 cup fresh lime juice0.25 cup white sugar0.125 teaspoon salt Steps Place watermelon and ice into a blender. Pour in lime juice, sugar, and salt. Blend until smooth. Previous recipe: Mexican Strawberry Agua Fresca Next recipe: Kinaja