In a mixing bowl, stir together the salt, onion, powder, paprika, soups, ½ cup mozzarella cheese, and ½ cup cheddar cheese. Spoon the mixture over the cauliflower.
1 teaspoon salt, 1 teaspoon onion powder, 1 teaspoon garlic powder, 1 teaspoon paprika, 1 15 ounce can cheddar soup, 1 15 ounce can cream of chicken soup, 1 cup shredded mozzarella cheese, 1 cup shredded sharp cheddar cheese