Foryoueats: Sourdough Cookies

Ingredients

• 1 cup (226 g) unsalted butter
• 1 cup (200 g) light brown sugar firmly packed
• ⅔ cup (133 g) granulated sugar
• 2 large egg yolks room temperature preferred
• 1 ½ teaspoons vanilla extract
• ⅔ CUp (140 g) sourdough discard
• 2 ¾ cup (340 g) all-purpose flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• ¾ teaspoon salt
• 1 ½ cups (255 g) semisweet chocolate chips or 6 oz chopped semisweet or dark chocolate bar (I use milk chocolate and sometimes add more if needed)