Add plant-based milk, frozen bananas, blueberries and blue spirulina to high speed blender and blend until all smooth. You made need a splash more milk to achieve this (try not to add too much)
Pour into bowl. Optional: take a small amount of smoothie mixture and mix with another colour to decorate smoothie bowl in any way you like!
Add optional toppings: more blueberries or other fruits, granola, coconut shreds, chia seeds, peanut or almond butter