Key Lime Pie Green Smoothie

Ingredients

1. 2 cups spinach
2. 2 bananas
3. Finely grated zest of 2 limes (use a microplane to avoid the bitter pith)
4. Juice of the 2 zested limes (about 2 tbsp)
5. 1 tbsp rolled oats
6. 1 tbsp walnuts
7. 1 cup unsweetened coconut milk (the kind in a carton, not canned)
8. 1 cup ice
9. 1/4 tsp NuNaturals Vanilla Stevia Liquid (or to taste)