Ingredients
- 1 ½ lbs ground beef
- 1 onion sliced thin
- 5 tbl olive oil divided
- 1 tbl butter
- 4 ciabatta rolls
- 4 slices mozzarella cheese
- 1 tomato
- 1 bag arugula
- 2 tbl tomato paste
- 4 tbl balsamic vinegar
- 1 clove garlic minced on a microplane
- 1 tsp sugar
- salt & pepper
Instructions
-
preheat the grill
-
form the ground beef into 4 square patties the size of the ciabatta rolls
-
season with salt & pepper
-
heat 1 tbl olive oil and butter in a pan
-
add onions and cook slowly for 10 minutes on low to caramelize, turning as needed
-
mix tomato paste, 4 tbl olive oil and 4 tbl balsamic vinegar in a jar with garlic, sugar, salt & pepper
-
shake dressing and pour over lightly salted arugula and toss
-
slice rolls
-
grill burgers, rolls and tomato until cooked
-
top with mozzarella cheese and close cover to melt
-
top toasted bottom bun with cheeseburger, grilled tomato, caramelized onions, arugula and top bun
