INGREDIENTS
12 oz
Bacon
1 1/3
lbs Ground beef chuck
1 1/3
lbs Ground beef sirloin
6
Iceberg lettuce, leaves
1 tbsp
Onion
1 tbsp
Parsley
6
slices Red onion
1 tbsp
Tarragon
6
slices Tomato
1/3 cup
Ketchup
1/2 cup
Mayonnaise
1 tsp
Worcestershire sauce
1 tsp
Kosher salt
1/2 tsp
Pepper, freshly ground
1 tbsp
Red wine vinegar
6
Hamburger buns
6
cut into slices 3 ounces sharp cheddar cheese, sharp
2 tbsp
Butter, unsalted