INGREDIENTS
3 tbsp
olive oil
1/2
large white or yellow onion, sliced
2 lb
small vine-ripened tomatoes, such as Campari, sliced in half
1 tsp
salt, plus additional to taste
1/2 tsp
sugar
1
garlic clove, thinly sliced
Freshly ground black pepper
2
or 3 thick slices peasant-style bread, crusts trimmed
3 tbsp
grated Parmigiano Reggiano or Parmesan
1
– 2 cups cup vegetable broth or water
Crostini, soft goat cheese or ricotta and chopped fresh herbs (such as parsley, thyme or basil)