Using dehydrated carrots in your cooking is convenient and easy! dehydrated carrots packed with vitamin A, carrots add color and sweetness to many dishes. You can add dehydrated carrots to stews and soups. They also work great for stir-frying with other vegetables. You can substitute dehydrated carrots for fresh vegetables in just about any dish, including casseroles, loafs, pizza toppings, omelets and breads.