This recipe is different from the traditional ossobuco as it omits tomatoes and includes anchovies. As pieces of ossobuco vary in size, you may need more than one each. If you have some left over it is delicious eaten cold.
Dust each piece of ossobuco with flour, salt and pepper. In a large heavy-bottomed casserole, just large enough to hold all the pieces of ossobuco in one layer, melt half the butter and all the oil and brown and seal the ossobuco on each s