For the sauce:
1. Heat the olive oil with the garlic in a frying pan and toss the three types of tomatoes cut into strips in it for a few minutes
2. Turn off the heat and add chilli pepper and fresh basil
For the tortelloni:
1. Chop the mozzarella, place in a strainer and leave to drain
2. Place the ricotta, the champignon and black truffle sauce and the grated cheese in a bowl and mix.
3. Add the chopped mozzarella and mix well
4. If the mixture is too soft add a sprinkling of breadcrumbs
5. Add the salt and leave to rest for 15 minutes
6. Roll out the sheet on a board and use a knife to cut it into squares of 10 cm per side.
7. Place a teaspoonful of the mixture in the centre of each square and then fold the square into a triangle, sealing the edges well and turning the corners in to form a ring
8. Cook the tortelloni in abundant boiling salted water and drain “al dente”
9. Dress the tortelloni with the three tomatoes sauce and serve immediately, piping hot