Chunky Chocolate Chip-Walnut Cookies Recipe

Ingredients (10)

• 2 cups (10 ounces) all purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 12 tablespoons unsalted butter, melted
• 1 cup light brown sugar
• 1/2 cup (3 1/2 ounces) sugar
• 1 egg plus 1 egg yolk
• 2 teaspoons vanilla extract
• 1 cup bittersweet chocolate chips
• 1/2 cup chopped walnuts