NYT Cooking: Lemon ice cream may not inspire the same excitement you find with flavors like salted caramel or chocolate chip cookie dough, but you don't want to miss out on it. This ice cream is surprisingly complex: creamy, sweet, tart and a little savory thanks to olive oil and a bit of salt. If you'd like, serve scoops with a drizzle of olive oil and a sprinkle of flaky sea salt and lemon zest.