3 bombshell brownies Recipes

unsalted butter, semi-sweet chocolate chips, semi-sweet chocolate chips, milk chocolate, extra-large eggs, instant coffee powder, real vanilla extract, white sugar, brown sugar, all-purpose flour, divided (1 cup for batter and 1/4 cup in the chips and nuts), baking powder, kosher salt, diced walnut pieces

butter; melted, white sugar, brown sugar, vanilla extract, eggs, all-purpose flour, unsweetened cocoa powder, salt, semisweet chocolate chips, chopped pecans