2/3 cup extra-virgin olive oil
5 tablespoons fresh lemon juice
Gray salt and freshly ground black pepper
2 1/2 pounds vine-ripened tomatoes, preferably a mixture of red, yellow, orange and variegated
10 handfuls salad greens
1/2 recipe Gnocchi, recipe follows
About 3 1/2 ounces ricotta salata cheese or Parmesan