|Finely chopped onion||1 Cup (16 tbs)|
|Ground beef||1 Pound (Use Either Round Or Rump)|
|White bread crumbs||1⁄3 Cup (5.33 tbs)|
|Vegetable oil||1 Tablespoon|
|Prepared mustard||1 Teaspoon|
Place chopped onion in a baking dish and heat 1 minute with 1 tablespoon butter.
Mix onion, ground beef, bread crumbs, milk and beaten egg and add a dash of salt, pepper and nutmeg.
Divide into four portions, shape into 1/2 inch thick patties and make a hollow in the middle of each.
Heat 1 tablespoon butter and oil in a frying pan and fry hamburger patties until brown.
Place in a baking dish and cook 5 minutes.
Place patties on buns and heat 20 seconds.
Serve with favorite condiments.