CUCUMBERS, STUFFED CUCUMBERS

2 1/4 pounds cucumbers, cut into 1 1/2-inch lengths

3 1/2 ounces mushrooms

juice of 1/2 lemon

scant 1 cup coarsely chopped ham

1 tablespoon chopped fresh parsley

2 tablespoons bread crumbs

salt and pepper

Tomato sauce:

3 tablespoons sunflower oil

1 small onion, chopped

2 1/4 pounds very ripe tomatoes, peeled, seeded, and chopped

1 bouquet garni (1 sprig fresh parsley, 1 clove garlic, and 1 bay leaf tied in cheesecloth)

3 tablespoons dry white wine

1 teaspoon sugar

salt