These bean and beetroot mushroom burgers are a delicious and healthy alternative to traditional beef burgers. Made with a combination of black beans, beetroots, and mushrooms, these burgers are packed with flavor and nutrients. The black beans provide a good source of protein, while the beetroots add a natural sweetness and vibrant color. The mushrooms add a meaty texture and umami flavor. Serve these burgers on a bun with your favorite toppings for a satisfying and nutritious meal.