Preheat oven to 350F and line a 9x9 baking sheet with parchment paper (or grease the pan).
Mix all of the ingredients in a large bowl until well combined. Pour into baking dish and bake for 25 minutes.
Remove from oven. Let cool completely before slicing. You can drizzle melted chocolate on top before serving if you wish.
Note: Metric ingredient measurements are provided as a courtesy using a third-party calculator and are rounded to the nearest unit. The recipes provided on this site have not been tested with metric measurements and their accuracy cannot be verified.
The nutritional information provided is based on third-party calculations and is an estimate only. Accurate nutritional facts will vary based on the particular brands used, portion sizes, measurement accuracy and more.