pickled jalapeño chillies, sliced
30g/1oz dried mushrooms
300²µ/10½´Ç³ú mushrooms, finely chopped
1 red onion, finely chopped
1 tsp onion, garlic powder or seaweed flakes (optional)
sliced tomatoes, lettuce, chopped spring onions
100g/3½oz cooked brown rice
mayonnaise, ketchup, mustard
3 tbsp plain flour
polenta or cornmeal, for coating
1 tsp yeast extract, such as Marmite
70g fine dry breadcrumbs
salt
2 tsp soy sauce
1 tbsp vegetable oil, plus 1 tbsp for frying burgers
a little melted butter or oil
1 large free-range egg, beaten
225g/8oz halloumi, coarsely grated
225g/8oz block smoked tofu
6 burger buns (ideally brioche)