INGREDIENTS
The sauce
1 1/4 tsp
olive oil
1/2
yellow onion
1/2
large carrot, diced
1/2
large celery stalk, diced
2
garlic cloves, minced
3/4 tsp
dried oregano
3/4 lb
lean ground beef (93% lean)
14 oz
crushed tomatoes
1/4 tsp
+ 1/8 tsp salt, or to taste
3 tbsp
minced flat-leaf parsley
3
basil leaves, thinly sliced
The mushrooms
4
large portobello mushrooms
2 tsp
olive oil
1/8 tsp
salt
1/8 tsp
ground pepper
6 tbsp
grated part skim mozzarella cheese