Lasagne al Forno

For the Bolognese

Finely dice the onion, garlic, carrot and celery. Seal the mince in a hot pan with a little oil. Remove the mince and add the chopped vegetables with a little more oil if needed. When they have softened, add the mince back to the pan, season to taste and stir in the oregano. Cook for a couple more minutes then add the tomatoes and however