Ron's Triple-Chocolate Chip Cookies

INGREDIENTS

• 2 large eggs
• 3/4 cup granulated sugar
• 8 ounces (2 sticks) unsalted butter
• 5 ounces white chocolate, roughly chopped to pieces
• 3/4 cup firmly-packed light brown sugar
• 2 cups all-purpose flour (scooped and leveled)
• 5 ounces bittersweet chocolate, roughly chopped to pieces
• 4 ounces chopped walnuts, pecans, or almonds (about 1 cup)
• 1 teaspoon salt
• 2 teaspoons vanilla extract
• 5 ounces milk chocolate, roughly chopped to pieces
• 1 teaspoon baking powder