Extra-Gooey Peanut-Butter Marshmallow Cookies

Ingredients

• 1¼ cups all-purpose flour
• 1¼ teaspoons baking soda
• ¼ teaspoon salt
• ⅔ cup creamy peanut butter, not natural
• 8 tablespoons salted butter, softened
• ¾ cup packed light brown sugar
• ¼ cup granulated sugar
• 1 large egg plus 1 egg yolk
• 1 tablespoon vanilla extract
• 1 cup mini marshmallows
• ¾ cup mini chocolate chips

Instructions

1. Mix flour, baking soda, and salt. Separately, beat peanut butter, butter, and sugars until creamy. Beat in egg, yolk, and vanilla.
2. Stir in dry ingredients, then marshmallows and chips. Cover and chill at least 2 hours or overnight.
3. Heat oven to 350°F. Place 2-tablespoon scoops 2–3 inches apart on parchment-lined sheets.
4. Bake 9–11 minutes per batch, until edges color and tops set, with soft centers. Cool 3 minutes on the sheet, then transfer to a rack.