First prepare the buns, knead together all the ingredients to form a soft and homogeneous dough, form a ball and place it in a bowl that is not too big. Cover with the food film and double it.
Divide the dough into 4 equal parts and form the balls. Place them on a baking sheet and cover with some film.
Double and brush with a veil of water or vegetable milk, sprinkle with sesame seeds and cook at 180 ° C for 15 minutes, take out and let cool.
In a pan heat two spoonful of extra-virgin olive oil and let it brown the shallot cut into rounds over low heat for a few minutes.
Wash the radicchio and cut it coarsely, add it to the shallot and let it stew for a few minutes, add the balsamic vinegar, stir and remove from the heat. Wash the pear, cut it in half then into thin wedges, put them in a pan with a some spoonful of water, sugar and pepper, cook until the liquid is dry continuing to turn the pears.
In a pan heat the soy burgers by turning them halfway through cooking.
Cut the sandwiches in half spread the mustard on the bread, put a part of radicchio, a slice of pear, the burger and again the radicchio and the pear, cover with the second half of the sandwich and serve.
Recipe and photo made by Tiziana Many food bloggers and food photographer author of the blog "l'ombelico di Venere”