Popsugar Family Kid-Friendly Recipes Recipes Using Boxed Cake Mix 13 Mouthwatering Treats You Can Make With Boxed Cake Mix March 25, 2017 by Marina Liao First Published: March 3, 2015 View On One Page Photo 13 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 Peanut Butter Cup S'mores Bars With just the right amount of saltiness and sweetness, these Ritz peanut butter cup s'mores bars will satisfy any sweet tooth. Previous Next Start Slideshow Kid-Friendly RecipesFood NewsCupcakesCake