Preheat oven to 350° F. Line a square baking pan (9x9 inches) with parchment paper and lightly spray with baking spray. Set aside.
Using food processor, finely crush cereal
In a medium-size bowl combine Cinnamon Toaster® crumbs and butter and until everything is well incorporated. Add mixture into the prepared pan and press until you have a flat and even layer. Set aside.
In a large bowl combine the flour, sugar and cocoa.
In other bowl mix wet ingredients: butter, buttermilk, applesauce, and vanilla.
Mix dry and wet ingredients, just until well combine. Please don’t overmix. You can do this by using an electric stand mixer fitted with a paddle attachment, or hand-held.
Transfer the mixture to the prepared pan and bake for 35 -40 minutes, or until set and a toothpick inserted in center comes out with just a few moist crumbs.
Let cool completely before cutting. Use large serrated knife, such as a bread knife, for cutting the brownie sticks.