Preheat the oven to 350°F. Spray an 8x8-inch or 9x9-inch baking pan cooking spray.
Blend (or whisk):
Blender method: Add the eggs and ginger pieces to a high-speed blender. Blend on high for 30 seconds until the ginger is fully broken down.
Add sweet potato, nut butter, chia seeds ,molasses, maple syrup, baking soda, salt, cinnamon, ground ginger.. Blend until smooth and creamy. Fold in the diced candied ginger
No blender? Grate your ginger and whisk all ingredients together in a large bowl until fully combined.
Pour and bake: Transfer the batter to the prepared pan, smooth the top, and bake for 30–35 minutes or until a toothpick inserted in the center comes out mostly clean.
Cool and cut: Let cool completely before cutting into squares.