Passover Mina with Leek and Lamb

Name: Passover Mina with Leek and Lamb
Ingredients: 2 medium red potatoes (about 1 pound total), peeled and cut into 1/4-inch slices; 2 tablespoons vegetable oil; 3 large leeks (white and light green parts), thinly sliced; 2 medium shallots, finely chopped; Kosher salt and freshly ground black pepper; 1 pound ground lamb; 5 ounces baby spinach leaves (about 6 cups); 4 cloves garlic, finely chopped; 1 1/2 teaspoons ground cinnamon; 1 1/2 teaspoons ground cumin; 1/4 teaspoon allspice; 1 28-ounce can crushed tomatoes; 5 eggs; 9 sheets matzo; Finely chopped flat-leaf parsley, for serving