Bolognese Lasagna
Ingredients: 4 tablespoons (½ stick) salted butter 3 tablespoons extra-virgin olive oil 1 large yellow onion, cut into rough 1-inch pieces 1 medium celery stalk, cut into rough 1-inch pieces 1 medium carrot, peeled and cut into rough 1-inch pieces 2 28-ounce cans whole tomatoes 1½ pounds boneless beef short ribs, cut into rough 1-inch […]