Cheesy Vegetable Melts Recipe. This gourmet vegetarian grilled cheese is one of the most easy recipes you'll find to eat more veggies! Ideas like this are classic with a twist, the best choice for lunches and dinners for kids and adults. Comfort food has never been so tasty! Made with dijon mustard, mayonnaise, onion, asparagus, mushroom, red bell pepper, kale, garlic, sourdough, and gouda cheese.