How to Make It
Blend banana, coconut milk, tahini, Greek yogurt, and 3 tbsp. agave nectar in high speed blender until fully combined.
In a medium bowl, whisk remaining ingredients until fully combined.
Pour mixture into 3-oz. ice pop molds, alternating between the tahini and buttermilk mixtures, starting and ending with tahini. Freeze until solid, at least 2 hours.