Soft S’mores Cookies with Marshmallow - chefmelt

Ingredients

• 2 teaspoons vanilla extract
• 1 large egg, room temperature
• 3/4 cup (150 grams) light brown sugar, packed
• 1 teaspoon kosher salt
• 3/4 cup (150 grams) granulated sugar
• 1 cup (226 grams) unsalted butter, room temperature
• 1 teaspoon baking soda
• 1 large egg yolk, room temperature
• 1 teaspoon corn starch
• 2 3/4 cups (345 grams) all-purpose flour, spooned and leveled
• 1/3 cup finely ground graham cracker crumbs
• 1 1/2 heaping cups chocolate chips (milk, semi-sweet, or dark)
• 16 soft caramels, sliced into 3 small pieces
• 8 large marshmallows, sliced in half