Spooky Chocolate Spiderweb Cookies Recipe for Halloween

Ingredients (15)

• For the Cookies:
• 1/2 cup salted butter (cut into tablespoon-sized chunks)
• 2 cups semisweet chocolate chips
• 3/4 cups light brown sugar (packed)
• 1/2 cup granulated sugar
• 2 large eggs (plus 1 yolk, lightly beaten)
• 1 teaspoon vanilla extract
• 1 1/2 cup all-purpose flour
• 2 tablespoon cocoa powder
• 1 teaspoon cornstarch
• 1/2 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• For the Spiderwebs:
• 1 cup mini marshmallows (divided)