Fava And Fresh Ricotta Crostini

Name: Fava And Fresh Ricotta Crostini
Ingredients: 2 quarts fresh, whole milk; 1 teaspoon sea salt or kosher salt; 3 tablespoons distilled white vinegar or lemon juice; 2 pounds fresh fava beans in their long pods (to yield 1 heaping cup of cooked, shelled beans); Extra-virgin olive oil; 1 teaspoon finely grated lemon zest; Juice of 1 lemon; Sea salt or kosher salt; Freshly ground black pepper; Firm, sturdy bread, such as whole grain sourdough loaf, baguette, or batard cut into slices about 3/4 inch thick