INGREDIENTS
1 1/2
lbs ground sirloin
1 clove
garlic, minced
1 tsp
salt
1 tbsp
fresh rosemary coarsely chopped
1 tbsp
fresh parsley, coarsely chopped
1 tsp
olive oil
1 tbsp
olive oil
1
large onion, thinly sliced
1 tbsp
balsamic vinegar
1 5.2 ounce package
garlic and herb Boursin cheese
4
Ciabatta rolls
lettuce