Kid-friendly "Can't Beet It" Vanilla Shake Recipe - Sticky Fingers Cooking

Ingredients

• 1 tsp pure vanilla extract + more to taste **(for GLUTEN ALLERGY use certified gluten-free pure vanilla extract, not imitation vanilla flavor—check label)**
• 2 bananas + more to taste
• 1/2 8-oz can sliced beets, drained (not pickled beets)
• 1 C water
• ice, optional