Oat Flour Brownies (Gluten Free!) * * * 1½ – 2 cups oatmeal, ¾ tsp baking soda, ½ tsp espresso powder, ¾ cup unsalted butter, 1½ cups sugar, 1 cup cocoa powder, 1 tsp salt, 1 Tbsp vanilla extract, 3 large eggs, 1¼ cup chocolate chips