Leek Crumble is a delicious and comforting vegetarian dish that combines the sweetness of leeks with a crunchy and savory crumble topping. The leeks are cooked until soft and tender, then topped with a mixture of breadcrumbs, cheese, and herbs. The crumble is baked until golden and crispy, creating a delightful contrast of textures. Leek Crumble is a versatile dish that can be served as a main course with a side salad or as a side dish alongside roasted meats or grilled fish.