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Sweet potato burger with avocado cream

25 March 2019

A tasty Tex Mex inspired vegetarian burger patty served with an avocado cream.

Sweet potato and black bean vegan burger with avo cream
Sweet potato and black bean vegan burger with avo cream

Preparation time

35 minutes




For the burger

  • 500g US sweet potatoes
  • 240g tin of black beans
  • 2 tbsp. olive oil
  • ½ red pepper, finely diced
  • 1 onion, finely diced
  • 1 tsp. cumin
  • ½ tsp. cayenne pepper
  • 5-6 tbsp. white bread crumbs
  • Salt and pepper, to taste

For the avo cream

  • 1 avocado
  • 1-2 tsp. lime juice
  • 1 garlic clove
  • Salt and pepper, to taste
  • Handful of coriander

To serve

  • 2 beef tomatoes
  • 4 bread rolls
  • 2 tbsp. mayonnaise (vegan mayonnaise is available in the free from section of most supermarkets)
  • 4 lettuce leaves
  • 2 tbsp. jalapeños


1. Preheat oven to 200°C. Peel the sweet potatoes, cut into chunks, spread onto a baking tray and bake for around 20 mins, or until tender. Rinse the black beans with cold water and leave to drain, then purée in a food processor along with the cooked sweet potato, then set aside in a large bowl.

2. Next, lightly fry the diced pepper and onion in a pan with 1 tbsp. of the olive oil, adding the cumin and cayenne pepper towards the end. Add to the sweet potato and bean purée, along with the breadcrumbs. Mix well and add salt and pepper to taste, then set aside for at least 30 mins to thicken.

3. Skin and stone the avocado and blend with the lime juice in a food processor. Peel and crush the garlic and stir in, then season with salt and pepper. Pick the coriander leaves from the stems, chop finely and stir in to the avo cream.

4. Heat the remaining oil in a pan. Shape 4 patties from the sweet potato mix and fry on each side for 2 mins until golden brown.

5. To serve, thickly slice the tomatoes. Slice the jalapeños and mix with the mayo. Cut the bread rolls in half, toast, and spread the bottom half with the jalapeño mayo. Garnish with the lettuce and tomatoes, and add a sweet potato patty. Top with a blob of avo cream and place the other half face down on top.

Nutritional value per serving:

Energy: 532 kcal / 207.5 kj
Carbohydrates: 79.5 g
Protein: 13.1 g
Fat: 16.3 g

Our thanks to American Sweet Potato for providing this recipe

Visit our sweet potato recipe section for more delicious meal ideas

The opinions expressed are those of the author and are not held by Saga unless specifically stated.

The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.