This Italian Grinder Salad Sandwich is a TikTok viral recipe combining classic deli meats and provolone cheese with a tangy and flavorful grinder salad made from mayonnaise, red wine vinegar, and spices. Served on fresh sub rolls and broiled until the cheese melts, this sandwich is topped with fresh tomato slices and generously spooned grinder salad for a delicious, satisfying meal.