Beetroot and Kale Burgers with Balsamic Red Onions

Bunny Kitchen

There’s a whole world of exciting burgers out there! And this one is simply divine.



  1. Makes 6 burgers:
  2. 2 medium cooked beetroot
  3. 1/4 cup bulgur wheat, cooked according to package directions
  4. 1/4 cup red lentils, cooked along with the bulgur
  5. 3 Tbsp + 1 tsp hummus
  6. Zest of 1 lemon
  7. 1 tsp ground cumin
  8. 4 large leaves of kale, quite finely chopped
  9. Sea salt and cracked black pepper, to taste
  10. Buns and garnishes of choice to serve
  11. For the onions:
  12. 2 red onions, sliced into rings
  13. 2 tbsp balsamic vinegar
  14. 1/2 tsp fennel seeds

There’s a whole world of exciting burgers out there! And this one is simply divine.


  • Start with the onions. Sauté over low-medium heat in a teaspoon of oil or a splash of water until soft and lightly colored.
  • Stir in the fennel seeds and vinegar and keep warm.
  • Meanwhile, pulse together the burger ingredients until they can clump together. It should still have texture and flecks of kale but be able to be formed into burger shapes. If the mixture seems too wet, add breadcrumbs, or ground almonds a tablespoon at a time. If it seems too dry, add water a tablespoon at a time.
  • Make 6 burgers out of the mixture and grill with a little cooking spray until colored, just a couple of minutes on each side. Alternatively use a cast iron pan or regular frying pan.
  • Serve in buns, topped with onions and your favorite garnishes.


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