01 -
Preheat oven to 350°F. Grease an 8-inch pan or line it with parchment paper.
02 -
Stir all the ingredients together thoroughly in a large mixing bowl.
03 -
Spread the batter into the prepared pan, pressing down evenly using a second sheet of parchment if necessary.
04 -
Bake in the oven for 20 minutes. Remove, let cool completely, and allow the brownies to firm up further as they cool. For best results, refrigerate overnight with a very loose cover.