Feta Casserole

Make any leftover matzo disappear with a delicious and cheesy spin on lasagna. INGREDIENTS: 1 1/4 c. part-skim ricotta cheese 4 oz. feta cheese, crumbled 1 large egg 1/4 c. milk 1/4 tsp. freshly grated nutmeg Kosher salt and pepper 2 scallions, finely chopped 1 bunch spinach, thick stems discarded and leaves chopped (about 4 …