Sweet potato-and-red quinoa burgers with caramelised fennel and onion and dill aïoli

Sweet potato-and-red quinoa burgers with caramelised fennel and onion and dill aïoli

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  • 4
  • Easy
  • Health conscious Meat-free
  • 30 minutes
  • 15 minutes
  • La Motte Shiraz 2014


  • For the burger patties:
  • 250 g red quinoa
  • 200 g white sweet potato, diced
  • 1 small onion, finely chopped
  • 1 clove garlic, grated
  • 1 t dried chilli flakes
  • 7 T chickpea flour
  • 1 free-range egg
  • 1 T Cajun seasoning
  • 1 T cumin seeds
  • 2 T sesame seeds
  • 2 T extra virgin olive oil
  • For the caramelised fennel and onion:
  • 1 bulb fennel, washed and thickly sliced
  • 2 medium onions, peeled and cut into wedges
  • 2 t ginger, diced
  • 2 T olive oil
  • 2 T treacle sugar
  • ½ cup light soya sauce
  • For the dill aïoli:
  • 2 free-range egg yolks
  • 1 T lemon juice
  • 1 T Dijon mustard
  • 2 t fresh dill, roughly chopped
  • Sea salt and freshly ground black pepper, to taste
  • 4 cloves garlic, mashed in a mortar and pestle with a pinch of salt
  • ½ cup extra virgin olive oil
  • 4 hamburger rolls

Cooking Instructions

To make the burger patties, cook the quinoa according to package instructions. Place in a bowl and set aside.

Cook the sweet potato until soft. Mix the sweet potato with the quinoa, onion, garlic, chilli flakes, chickpea flour, egg, Cajun seasoning, cumin seeds and sesame seeds.

Shape the mixture into four patties. Heat the oil in a pan and fry the patties for 3 minutes on both sides, or until golden brown and crisp.

To make the caramelised fennel and onion, heat a pan and gently fry the fennel, onions and ginger in the oil. Sprinkle over the treacle sugar and toss through until the sugar has partially melted. Deglaze the pan with the soya sauce. Reduce the heat and simmer for 5 minutes, or until the liquid has reduced and the fennel has softened.

To make the dill aïoli, place the egg yolks, lemon juice, mustard, dill, salt and pepper and garlic into a blender. Blend at a medium speed, leaving a small opening through which to pour the oil. With the blender running, add the olive oil a few drops at a time until the mixture starts to thicken. Then, from a height, pour in the olive oil in a slow, steady stream until it thickens. Decant into a sealed container and chill.

To serve, halve the hamburger rolls and brush with olive oil. Heat a pan until very hot and quickly toast the rolls until golden brown. Spread each roll with the aïoli, place a patty on top and spoon over the caramelised fennel and onion.

Cook's note: Unlike its orange counterpart, white sweet potato has a firmer flesh, which makes it great for baking and making solid veggie patties like these.

Browse more burger recipes here.

Khanya Mzongwana Recipe by: Khanya Mzongwana
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If you're anything like our deputy food editor Khanya Mzongwana, you're obsessed with uniqueness and food with feeling. Cook her family-tested favourites, midweek winners and her mouth-wateringly fresh takes on plant-based eating.

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  • Zoe & Richard
    August 11, 2016

    Absolutely delicious! We missed out the buns though and enjoyed as is. We had so much that we kept on having them as snacks over the weekend!!!

  • default
    July 19, 2016

    Made the burgers tonight and my children were not told the ingredients and loved them… seconds were had! only comment … needs more salt!