There's two major possibilities here:u003cbr/u003eu003cbr/u003e1. If you're asking about another recipe,u003cstrongu003e frequently it may have too little marshmallow goo to the amount of cereal. u003c/strongu003e My recipe has almost 3 times! the goo of the original cereal box recipe to makes these bars extra soft and flavorful.u003cbr/u003eu003cbr/u003e2. u003cstrongu003eYou could also be over-cooking the marshmallow goo.u003c/strongu003e To prevent this, just make sure that you keep your heat at medium or lower, and stir constantly, scraping the bottom of your pot. Also make sure as soon as everything is melted you take the pot off the stove instead of leaving it on there to continue to cook with residual heat.