Brownie Cookies

Ingredients (11)

• 8 ounces chopped semisweet chocolate or chocolate chips (1 1/3 cups)
• 3 tablespoons unsalted butter
• 1 cup all-purpose flour
• 1/4 teaspoon baking powder
• 3/4 teaspoon kosher salt
• 1 cup granulated sugar
• 1 teaspoon espresso powder (instant coffee works too)
• 1 teaspoon pure vanilla extract
• 3 large eggs at room temperature
• 3/4 cup chopped toasted walnuts or pecans or hazelnuts
• 1/2 cup dark chocolate chips or white chocolate chips, peanut butter chips, or a mix