Chocolate Dipped Brownies

Bahan-bahan (30 porsi)

• 16 ounces (4 sticks) salted butter
• 16 ounces semisweet chocolate ((or chocolate chips))
• 2¼ cups granulated white sugar
• 7 large eggs
• 2 tablespoons instant espresso powder
• 2 tablespoons vanilla extract
• 1¼ cups all purpose flour
• 1 tablespoon baking powder
• 1 teaspoon salt
• chocolate chips or melting wafers, (for dipping)
• 1 teaspoon shortening ((if using chips))