Peanut Butter Cheerio Bars are a quick and easy no-bake snack that combines creamy peanut butter with crispy Cheerios for a delightful treat. These chewy bars are perfect for breakfast, lunchboxes, or as an after-school snack, making them a hit with both kids and adults. With just a few simple ingredients, you can whip up these delicious bars and customize them with your favorite mix-ins like chocolate chips or dried fruit.