Preheat 340 F. In large mixing bowl, combine powdered sugar, cocoa powder, & salt. Stir until combined.
Add in vanilla & egg whites. Stir until absorbed. Add in chocolate chips & again, stir until completely mixed into batter.
Line 8x8 baking dish with parchment paper. Pour half the batter into the dish & bake for 20 minutes or until top begins to crack.
Let mini brownies cool completely & then scrape off paper by sliding an offset spatula completely underneath the cookie. Cut into mini .75 x 1 in brownies.
Serve in bowl of milk & enjoy!
Supplies
large mixing bowl whisk 8x8 baking dish parchment paper knife bowl
Recipe by Public Lives, Secret Recipes at https://publiclivessecretrecipes.com/2016/02/mini-brownie-cereal-recipe.html