NYT Cooking: There are many interpretations of the classic Italian pasta dish, spaghetti al limone, or spaghetti with lemon. Some call for an Alfredo-like sauce made with heavy cream, butter and Parmesan, while others rely on just olive oil, lemon juice, Parmesan and starchy pasta water. This particular recipe, which adds sautéed shrimp, white wine and fresh tarragon to the mix, leans toward the simpler pre...
