u003cbr/u003eIt is very important to stick to the amount of liquid called for in the recipe. Adding more liquid than what's called for can affect the cereal's ability to absorb it. The Chex Mix may seem a bit chewy right out of the oven. As it cools, the cereal will crisp up. It's very important to let the cereal cool for several hours before transferring it to a sealed container. Any residual heat can cause condensation inside the container and affect the texture. Also, make sure the container lid is kept tight at all times as air can cause the Chex Mix to go stale. u003cbr/u003eu003cbr/u003eIf your Chex Mix does end up stale, you can spread it out in a cookie sheet and roast it at 250 degrees for 15 minutes.