If your casserole is too dry, there are a few things you can do to fix it. First, try adding more liquid. This could be in the form of chicken or vegetable broth, milk, or even water. Just be careful not to add too much at once, as you don't want to make your casserole soupy.u003cbr/u003eAnother way to combat a dry casserole is to add more moist ingredients. This could mean adding additional vegetables that have a high water content, such as zucchini or tomatoes.u003cbr/u003eFinally, if all else fails, you can always top your casserole with cheese or breadcrumbs before baking. This will create a barrier between the dry ingredients and the top of the casserole, preventing it from drying out during baking.