Black Bean Burger
Black beans mashed to a chunky paste, mixed with sautéed onion and garlic, smoked paprika, cumin, chipotle, oats, and a flax egg, then shaped into patties, chilled until firm, and pan-fried until dark and crisp on the outside. The key textures in a good black bean burger: a proper crust on the outside, and enough whole or partially mashed beans inside to give it a real bite rather than a uniform paste. Two things that determine success: dry the beans before mashing, and don't skip the resting time in the fridge.
Ingredients
- 800 gcanned black beans, drained, rinsed, and dried well
- 1 tbspground flaxseed + 3 tbsp water
- 80 grolled oats
- 1 small onion, very finely diced
- 3 garlic cloves
- 2 tspsmoked paprika
- 1 tspground cumin
- 1 tbspchipotle in adobo sauce or 0.5 tsp chipotle powder
- 1 tbspsoy sauce or tamari
- 1 tbsptomato paste
- ½ tspfine salt
- 2 tbspneutral oil
- 4 burger buns
Method
- Dry the beans and make the flax egg. Spread the drained and rinsed black beans on a paper-towel-lined tray and pat thoroughly dry — surface moisture is the main enemy of a firm patty. For extra firmness, spread them on a bare baking tray and put in a 150°C oven for 8 to 10 minutes. Meanwhile, mix 1 tablespoon of ground flaxseed with 3 tablespoons of water in a small bowl. Set aside for at least 10 minutes to gel. Cook the onion and garlic in a dry or lightly oiled pan for 5 minutes until soft. Let cool.
- Mash the beans. Place two-thirds of the dried beans in a large bowl and mash firmly with a potato masher or fork until most beans are broken down into a rough paste — leave some visible chunks for texture. Add the remaining beans and stir through without mashing them further. You want a mix of paste and whole beans: paste holds the patty together, whole beans give it something to bite into.
- Mix and season. Add the cooled onion-garlic mixture, flax egg, rolled oats, smoked paprika, cumin, chipotle sauce, soy sauce, tomato paste, and salt to the mashed beans. Stir firmly until everything is well combined and the mixture starts pulling away from the sides of the bowl slightly. Taste — it should be well-seasoned, smoky, and faintly spicy. If the mixture feels too wet, add another tablespoon of oats.
- Shape and chill. Divide the mixture into 4 equal portions. With slightly damp hands, form each into a patty about 2 cm thick and slightly wider than your burger bun (they shrink slightly as they cook). Press firmly — the more compactly shaped, the better they hold. Place on a parchment-lined plate and refrigerate for at least 30 minutes, or freeze for 15 minutes. This step makes a significant difference to how they behave in the pan.
- Cook and assemble. Heat the oil in a large, heavy-bottomed pan (cast iron is ideal) over medium heat until hot but not smoking. Add the patties and cook for 5 to 6 minutes without moving them — let the crust form. Flip once with a wide spatula and cook another 4 to 5 minutes until the second side is equally dark and firm. Toast the buns in the same pan. Assemble with sliced avocado or guacamole, pickled red onion, rocket or lettuce, and a chipotle or sriracha mayo.
FAQ
Three causes. First, wet beans: drain thoroughly and pat dry with paper towels. For extra firmness, spread on a tray and dry in a 150°C oven for 8 to 10 minutes before mashing. Second, not enough binder: the mix needs both an absorbent (oats or breadcrumbs) and a sticky agent (flax egg or nut butter). Third, no chilling time: shaped patties must rest in the fridge for at least 30 minutes before cooking — warm patties are soft and will collapse in a hot pan. When frying, flip only once or twice and let the crust fully form before turning.
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Comments (1)
After testing probably fifteen different bean burger recipes, the two ingredients that make this one work are smoked paprika and the flaxseed egg. The paprika gives a depth that tricks your brain into thinking there is something smoky and meaty going on. The flax binds everything without making it dense. One critical tip: do not over-process the beans. You want some chunks for texture. Pulse 5 times maximum in the food processor, then fold the rest by hand.