Black bean and mushroom burgers

Dead easy, very tasty, super mid week tea. 1 large red onion 5-6 mushrooms 2 tbsp rye flour, or plain flour 1 tsp ground coriander 1 tsp salt 1 tin of washed and drained black beans Milled linseed (or milled linseed and other seeds) Olive oil To go along with this, you might also like…