Black Bean and Portabello Burgers

(lean, mean, bean-machine)

These ones are real companions in our household. When I don’t quite know what to make, I often think: “Eeh, I’ll just do some black bean burgers”. They’re good with oven baked potatoes and bearnaise sauce. They’re great with mashed potatoes and roasted garlic and mushroom sauce (as in the pictures). They’re really good as just… hamburger burgers as well actually.

The black beans, combined with the umami heavy confit onion and portobello mushrooms, give them a really rich and deep taste. Using bread is really good for consistency and the cheese is… well cheese is pretty great.

I like using soy as it together with the rest gives some meaty tones, but I get that that might not be for everyone (to make it more like meat I mean). But from this base-recipe you can basically do whatever. Fresh herbs, chili, spices, you go wild!

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Ingredients

  • 760 gof black beans (boiled and in liquid, weight including the liquid)
  • 2 (or 3) portabello mushrooms
  • 4 eggs (a bit depending on the size)
  • 100 gcheese (e.g. Gouda cheese)
  • 2 small carrots (80 g)
  • 1.5 yellow onions
  • 3 slices of bread
  • Some tomato puré, mustard, soy sauce, salt and pepper
  • 75 gbutter
  • 3 dloil (rapeseed)

Directions

  1. Start by making the confit onion (which is onion boiled for a long time in oil). Chop the onion (1 yellow onion) into sizes of about 1/4 onion rings. Heat up oil enough to cover the onions (3 dl) to low/medium temperature and let the onion simmer in the oil for about 30 minutes.
  2. While the onion is cooking, chop the portobello mushrooms and put them in a pan with a generous amount of butter (50g), on medium heat. After ca 5 minutes, take the heat down to low, add salt, pepper and the tomato puré (1 tablespoon) and mustard (1 tablespoon). Stir and leave on low heat for 20-30 minutes (turn the mushrooms over now and again).
  3. Tear the bread into small pieces (3 slices in pieces about 1 cm x 1 cm), crack the eggs (4) and stir the eggs and the torn bread together.
  4. Sift away the fluid from the beans and put them in a bowl. Finely chop 1/2 yellow onion, finely grate a carrot (and squeeze out some of the the juice) and mix both in with the beans. Mix together with whatever but not with an immersion blender or mixer. Take a fork or something and stir until some beans have become squished but some are still whole-ish.
  5. Grate the cheese (100 g) and put it in to the mix. Sift away the oil from the confit onion and add the onion and the fried mushrooms.
  6. Now, the trick is to get the texture just right, by adding bread crumbs and/or flour/ potato flour. You should be able to form semi-firm, semi-sticky balls from the mix, but if there’s too much flour/bread/bread crumbs, the burgers get too dry when cooked. Personally, I more often make the mistake of making the mix to firm so try to err on the side of a looser, stickier mixture. More breadcrumbs can always be added in later. When I did these ones I didn’t use any breadcrumbs (or flour) other than the coating (see list item 9).
  7. Use salt, pepper and soy until the mix is to your taste. I usually put a bit of vinegar in the mix, but then again: I fucking love vinegar.
  8. So now the base mixture is done. If you have the time, let it set in the fridge for an hour or so.
  9. Make balls from the mixture and cover them in bread crumbs. Heat up the remaining butter (25 g) and some rapeseed oil to medium-high heat in a pan. Put the balls in the pan and gently push down on them with a spatula. If the consistency is right they should flatten easily (they should flatten slightly but not all the way under their own weight). Fry for about 5 minutes on each side. And you’re done!


These are best about five minutes off the stove, when they’ve settled a bit (become a bit firmer) but are still warm. Fry them the last thing you do before serving up the food.

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