Place 1 cup all-purpose flour, 2 tablespoons unsweetened cocoa powder, 2 tablespoons instant coffee or espresso powder, 1/2 teaspoon kosher salt, and 1/4 teaspoon baking powder in a small bowl and whisk to combine. Pour the flour mixture into the chocolate mixture and stir until just combined with no streaks of flour.
Instructions Preheat the oven to 350 F (177 C). Line an 8x8 pan with parchment paper along the bottom and two sides. Add the unsalted butter and semi sweet chocolate chips to a heat safe bowl. Heat the butter and chocolate until fully Mix in the freshly brewed espresso or strong coffee into the
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