In a medium-sized bowl with either a handheld mixer or Danish dough whisk, combine the oil, sugar, vanilla, and eggs until well combined.
Carefully mix in the dry ingredients flour, baking cocoa, baking powder, and salt. Continue mixing until the ingredients are combined but do not overmix. It should be pourable and spreadable batter.
Mix in Chocolate Chips.
Using a 8x8 baking pan, coat it with nonstick baking spray or line it with parchment paper.
Carefully pour and spread the batter into the pan.
Bake at 350°F for 30-40 minutes or until when poked with a toothpick it comes out clean.
Let the brownies cool for 5-10 minutes before cutting and serving.
Notes
This recipe works the best with an 8x8 pan as the batter fits it perfectly.