Chocolate Chip Fluffernutter Blondies

Ingredients (11)

• + 1 cup butter, softened add to pantry
• + 1 cup packed brown sugar add to pantry
• + ¾ cup creamy peanut butter add to pantry
• + ½ cup white sugar add to pantry
• + 1 egg add to pantry
• + 1 egg yolk add to pantry
• + 2 cups all-purpose flour add to pantry
• + 1 teaspoon baking soda add to pantry
• + ½ teaspoon salt add to pantry
• ✓ 2 cups chocolate chips
• + 1 ½ cups miniature marshmallows add to pantry