1pacakagebrownie mixI used Miss Jones gluten-free brownie mix
For the espresso marscapone frosting:
1/2cup (1 stick)buttersoftened at room temperature
1/4cupmarscarpone cheeseat room temperature
4cupspowdered sugar
1/4cupespressoor strong coffee, chilled
1teaspoonvanilla extract
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Method
Make the brownies according to the package instructions. Cool completely.
While the brownies are cooling, make the frosting by adding all frosting ingredients to a bowl and use either a hand or stand mixer to beat until smooth, light, and fluffy.
Once the brownies are completely cool, spread the frosting on top of the brownies, then cut into individual squares for serving.
Notes
Room temperature butter and mascarpone are essential for a smooth, fluffy frosting.
Let the espresso cool completely before adding to the frosting.
Cool the brownies completely before frosting — at least 1 hour at room temperature.
For gluten-free: use Miss Jones Gluten-Free Brownie Mix.
For regular: Ghirardelli Double Chocolate Brownie Mix is my top pick!
Store covered in the fridge for up to 5 days. Bring to room temperature before serving.