In a 2-quart saucepan over medium heat, whisk together water and ⅓ cup of the tiger nut all-purpose continuously until thick. Set the saucepan aside to cool as you prepare other ingredients
In a medium mixing bowl, whisk together 2 cups of the tiger nut all-purpose flour with the salt and baking powder to ensure an even distribution of dry ingredients
In the standing mixer with the whisk attachment or a large mixing bowl with a mixer, stir extra virgin olive oil and cocoa powder until combined and smooth
Add the brown sugar and vanilla extract to the standing mixer or a large mixing bowl. Continue to mix on stir speed until just incorporated
Add the thick mixture from the saucepan to the standing mixer bowl or a large mixing bowl. Stir until just combined
Add the dry ingredients bowl to the standing mixer/large mixing bowl and continue to stir. The mixture will become thick but you should still be able to spread it with a spatula. If it can’t, a troubleshooting tip would be to add two to three TBS of water to loosen up the batter
Fold in chocolate chips with a spatula
Transfer brownie batter to a greased 9x13 pan and let the batter rest for 30 minutes.
In the last 15 minutes of the batter rest time, preheat the oven to 350℉/177℃
Bake the batter for 30 minutes. Use a toothpick to test for doneness.