Watermelon Frosty - cooking recipe

Ingredients

2 cups frozen watermelon, cubes
1/2 cup water (plus more to reach desired consistency)
2 tablespoons agave nectar
4 tablespoons lime juice (about 2 limes)
1/2 teaspoon lime zest
1 banana
watermelon, slice (to garnish)
tequila, shot for adult version

Preparation

Place all ingredients into a blender. Blend and serve.