Brownie Bites with Espresso Buttercream - Rothliving

Ingredients

• 1/2 cup unsalted butter, cut into pieces
• 4 ounces bittersweet chocolate, chopped
• 1/2 teaspoon salt
• 2/3 cup granulated sugar
• 2 large eggs, room temperature
• 1/3 cup unsweetened double Dutch cocoa powder
• 1/3 cup gluten-free flour blend (Any gluten-free flour blend with xanthan gum will work. If you're not gluten-free, you can use all-purpose flour.)
• 1 cup unsalted butter, softened to room temperature
• 3 cups powdered sugar, sifted
• 1 medium shot of espresso (about 1.4 ounces), cold (from Wolf Coffee System)
• 1 teaspoon vanilla extract