Preheat oven to 350°F. Lightly grease an 8x8 baking pan and line with parchment paper.
Mix eggs, oil, and vanilla in a bowl. Add these ingredients to the food processor along with black beans. Process until smooth and black beans are incorporated well.
In a separate bowl, combine the cocoa powder, baking powder, salt, and sugar. Add the wet ingredients from food processor to the dry ingredients and mix until well combined.
Fold in chocolate chips and pour into the greased baking dish.
Place on the middle rack in the oven and bake for 30-35 minutes until a toothpick comes out clean, and the brownies do not jiggle when you shake it.
