Blend the batter

• Add the black beans, cottage cheese, egg, cocoa powder, peanut butter, vanilla, baking powder, salt and stevia to the blender.
• Blend until completely smooth, scraping down the sides as needed.

Fill the pan

• Grease a small square baking dish.
• Pour the batter into the dish and spread it evenly.

Bake

• Bake at 175 °C (350 °F) until the top is set and a toothpick comes out with a few moist crumbs.

Cool and cut

• Let the brownie cool completely in the pan before cutting into bites.