For baked bread, cool, then cover pan tightly or place product in foil. For unbaked bread, uncover and let bread rise before baking. For baked bread, reheat in pan or foil at 300 F for 15 to 20 minutes. Add filling and spread evenly. Omit crisp vegetables, hard-cooked egg white, tomato, jellies and jams.
Mayonnaise tends to separate.
Use salad dressing or home-cooked dressing. Sandwiches for grilling, such as cheese or ham, should be thawed before grilling. Frozen sandwiches in a lunch box will keep other foods cool as they thaw. Remove from pans and wrap tightly. Loaf cake may be cut to family-size pieces before wrapping.