Hope this is what you're after;
Lentils for cotechino, tongue etc;
250g of puy lentils
2 tblspoons extra virgin olive oil
1 garlic clove finely chopped
1 small onion finely chopped
1 celery stick finely chopped
Salt and freshly ground pepper
Rinse lentils put them in a pan of 1 litre of cold water bring to boil then simmer for 15 mins
Heat oil in pan sweat garlic onion amd celery. Add lentils and a splash of water. Season with salt and pepper.
Cook for 5-10 mins
Add water as necessary. Check seasoning add trickle of olive oil.
Cool the lentils
It suggests serving alternatively hot or cold- cold being with a salsa verde over tongue!
That's basically parsley tarragon lemon juice or vinegar. Olive oil. Anchovy filletss (4-5) capers, dijon mustard and salt and pepper!