Combine peanut butter, Greek yogurt, and honey in a medium bowl. Stir with a spoon until smooth. Add oats, almond flour, flaxseed meal, and cacao nibs. Stir until well incorporated.
Scoop up about 1 tablespoon of mixture with a small cookie scoop or spoon and roll lightly into a ball with your hands. Place in an airtight container and refrigerate for about 1 hour before serving.