Freezer Sweet Potato and Black Bean Burgers
Smoky, sticky veggie burgers that bake from frozen and hold together properly. Great in a bun or on a salad.
- Time55 min
- LevelMedium
- Costabout £0.25 a head
- Oven200°C (180°C fan)
Cost is worked out from Aldi and Tesco shelf prices in October 2026. Your shop and brands will differ.
Ingredients
Tick what you need to buy. It goes on your shopping list.
Method
- 1
Boil the sweet potato for 12 minutes until soft. Drain well and let it steam dry in the pan.
12 min - 2
Mix the flaxseed with the water and leave for 5 minutes until gloopy.
5 min - 3
Heat the oil and cook the onion for 5 minutes. Add the garlic, paprika and cumin for 1 minute.
5 min - 4
Mash the sweet potato in a big bowl. Add half the beans and mash roughly, then stir in the onion mix, tomato purée, flax mix and oats. Add the remaining beans whole.
- 5
Shape into 8 patties. Chill for 20 minutes to firm up.
20 min - 6
Heat the oven to 200°C (180°C fan). Bake on a lined tray for 15 minutes each side until crisp. Cool, then freeze with paper between. Reheat from frozen at 200°C (180°C fan) for 25 minutes, turning once.
15 min
Double check before you cook. Recipes can contain mistakes. Any diet labels come from the ingredients as written in this recipe and are a guide, not a guarantee. Always check every ingredient and the packet label for allergens and cross contamination, and ask your doctor or dietitian what is right for you, especially with coeliac disease, diabetes or a serious allergy. This is not medical advice.