NYT Cooking: Grilled steak covered in melting herb butter is a cornerstone of summer cooking. Here, both the steak and the compound butter are spiked with Worcestershire sauce, fresh thyme and garlic for an intensely brawny flavor. Then, the steak is garnished with a mix of charred tomatoes, scallions and basil, which gives everything a juicy sweetness brightened with lemon. You can use any cut of beef here...