INGREDIENTS
1 serving
olive oil
1 serving
celery
1 serving
carrots
1 serving
onions
1 serving
canned whole tomatoes
1 serving
thyme
1 serving
basil
1 serving
vegetable broth
1 leaf
bay leaf
1 serving
unsalted butter
1 serving
flour
1 serving
pecorino romano cheese
1 serving
milk
1 serving
salt
1 serving
black pepper