Step 1

Preheat oven to 350 degrees

Step 2

Place the ground beef into a large mixing bowl

Step 3

Add the breadcrumbs, egg, half the can of tomato sauce, sea salt, pepper and chopped onion, and mix well using your hands

Step 4

Form the meat into a loaf about 2 inches high, and place in baking pan or casserole dish

Step 5

Place loaf into oven, make the glaze, and pour glaze over meatloaf

Step 6

Bake for 1 hour or until internal temperature reaches 160 degrees, according to meat thermometer

Step 7

Pour the remaining half of the tomato sauce into a small mixing bowl, and add the water

Step 8

Add the mustard, vinegar and brown sugar, and mix until well combined