Beet Burger: Step aside, soy burgers. This beet burger is coming for you at full speed. Add mashed avocado and your favorite toppings for the ultimate veggie burger.
Smoky Sweet Potato Burgers with Roasted Garlic Cream & Avocado : howsweeteats
A stacked halloumi and red pepper burger layered in a bun with courgette, salad leaves and salsa. The vegetables and cheese are grilled for extra flavour and texture.
While I am NOT Vegan, I do like veggie burgers and this sounds like a nice recipe. Vegan crispy burgers with sweet potato, lentils, quinoa, spinach & herbs