Ingredients
Method
- Preheat oven to temperature on brownie box. Line a baking sheet with parchment.
- Prepare brownie batter according to box, stirring in melted butter, cocoa, espresso, and salt.
- Pour batter into a greased shallow pan to about 1/2-inch thickness; bake 12–15 minutes until just set.
- Cool completely, then cut into 1/2–1 inch cubes.
- Toss cubes on a baking sheet and bake 8–10 minutes at 300°F to crisp edges, flipping once.
- Cool and store in an airtight container until serving.