Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.

In a large mixing bowl, add your ripe bananas and mash them thoroughly until smooth.

Stir in the old-fashioned rolled oats, protein powder, ground cinnamon, and mini chocolate chips.

Using a small cookie scoop or your hands, form the mixture into approximately 1-inch balls and place on the lined baking sheet.

Bake the energy balls for about 15 minutes, or until they are lightly golden on the edges.

Allow the energy balls to cool on the sheet for 10 minutes before transferring them to an airtight container.