Ingredients: 1½ cups small lentils (such as Pardina or Puy, or any size green or brown lentil) – 12 ounces 1 medium onion, halved 2 bay leaves 2 whole cloves Kosher salt and black pepper 4 or 5 medium potatoes, peeled and sliced ¾-inch thick 3 tablespoons extra-virgin olive oil, plus mo…