To Store. Add all the ingredients to a blender. Blended smoothies can be stored in the refrigerator for up to 1 day. Watermelon Smoothie Storage Tips. Pour into glasses and ENJOY! More filling than the traditional recipe, these bowls tend to be packed with proteins and nutrients to keep you full all day long. Smoothie bowls are enjoying a serious moment in 2018. All the right elements of an ice cream but super healthified! Blend until smooth and creamy. Once you have your melon frozen, you can make a watermelon smoothie in two minutes! And our Strawberry Watermelon Smoothie Bowl is no exception in that regard. Adjust sweetness as desired. Aug 3, 2020 - Refreshing, delicious and sweet.