Preheat over to 350°F. Line an 8x8-inch baking pan with parchment paper.
Using a blender or food processor, blend beans and stout until smooth. In a mixing bowl, combine bean mixture, eggs, melted butter, vanilla, and salt. Stir until mixed.
In another mixing bowl whisk together flour, cane sugar, cocoa powder, and brown sugar.
Add dry into wet ingredients and mix together until just combined. Fold in chocolate chips.
Pour batter in prepared baking pan and bake for 48 minutes. Cool completely before glazing.
For glaze, stir together confectioner’s sugar, milk, and stout. Drizzle over cooled brownies and serve.
Enjoy!