Chilled Minestrone

Name: Chilled Minestrone
Ingredients: 1/2 cup dried flageolets, rinsed and picked over; discard cracked ones; 2 medium onions; 1 head garlic, cut in half; One 3/4-ounce bunch marjoram; 1 dried bay leaf; 1 tablespoon black peppercorns; 2 teaspoons salt, plus more to taste; 6 large pattypan squashes (optional); 2 tablespoon olive oil, plus more for drizzling (optional); 1 large clove garlic, peeled; 1/2 large, or 1 small, bulb fennel, thinly sliced and chopped; 3 thin carrots, peeled and sliced into 1/4-inch-thick circles; 1 1/2 quarts Homemade Chicken Stock, or canned low-sodium chicken broth, skimmed of fat; 1 medium Yukon gold potato, or any other starchy cooking potato, cut into 1/2-inch pieces; 2 large beefsteak tomatoes, blanched, peeled, and coarsely chopped; 1 ear corn, kernels removed; 1 to 2 young small zucchini, quartered and cut into 1/3-inch-thick quarter moons; 1/4 pound mixed fresh green beans, such as wax beans, string beans, and haricots verts, sliced into 1-inch pieces; Freshly ground black pepper, to taste; Freshly squeezed lemon juice, to taste; Basil Puree, optional