Dairy-free Chocolate Shake

from inspiredrd.com/2012/02/healthy-chocolate-shake.html

INGREDIENTS:
1 cup milk (I used coconut milk)
1 very ripe banana
1 Tbsp. cocoa powder (use raw cacao powder if you can find it)
1 Tbsp. nut butter (almond butter, peanut butter, etc)
1 tsp. honey (optional - use if banana not very ripe)
1.5 cups ice (add less ice for smoother shake)