Created by Echo Echo on October 18, 2014
Step 1: Combine egg, salt, beef, breadcrumbs, tomato sauce and onion and mix thoroughly with hands.
Step 2: Press into either an 8-inch square pan or a 9 X 5-inch loaf pan.
Step 3: Combine water thru mustard; pour over loaf.
Step 4: Bake at 350° 1 hour (8-inch pan) or 1 hour 15 minutes (loaf pan).
Step 5: Let sit 15 min before serving.
Step 6: To freeze: Flash freeze meatloaf uncooked. To heat frozen meat loaf: Thaw in the refrigerator and cook as directed.