Blend the beets with a blender together with paprika, cumin, flax, salt and pepper.
Add the beans and coarsely whisk these too, then add the breadcrumbs (by hand, so as not to finish blending the beans).
Form the burgers with a 10 cm coppapasta, compacting them well, and cook them on a hot and lightly greased plate (or non-stick pan).
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