|Lean ground beef||1 1⁄2 Pound|
|Onion||1 Large, chopped and cooked|
|Garlic||2 Clove (10 gm), smashed and chopped|
|Dijon mustard||1 Teaspoon|
|Worcestershire sauce||1 Teaspoon|
|Black pepper||1⁄2 Teaspoon|
|Cayenne pepper||1⁄2 Teaspoon|
|White pepper||1⁄2 Teaspoon|
|Olive oil||2 Tablespoon|
|Beef stock||1 1⁄2 Cup (24 tbs), heated|
|Cold water||3 Tablespoon|
Place beef in mixer. Add egg, cooked onion, garlic, mustard and Worcestershire sauce. Season with salt and mix several minutes to incorporate well. Shape mixture into 4 large patties. Set aside.
Mix spices and herbs together; set aside.
Heat cast iron pan over medium heat. When hot, pour in oil. Add spice mixture and cook 1 minute.
Add hamburgers and cook 8 minutes. Turn patties over 3 to 4 times during cooking.
Remove hamburgers from pan and keep hot.
Pour beef stock into same pan. Boil 3 to 4 minutes.
Dissolve cornstarch in cold water; stir into sauce and cook 1 minute. Pour sauce over hamburgers and serve with potatoes.