Heat a drizzle of oil in a large non-stick saucepan
Add the carrot, and onion. Stir and fry on a medium heat for 5 minutes.
Stir in the red lentils, before adding a little boiling stock. Bring to the boil.
Keep adding the stock a little at a time. Only add more when the stock has been absorbed. Stir regularly so it doesn't stick.
It should take around 15 -20 minutes for the lentils to be cooked and the stock absorbed.
Heat the oven to 180C
Add the 100g grated cheese and breadcrumbs. Season with salt and pepper and stir until the cheese has melted and the breadcrumbs have disappeared
Line an oven proof dish with greaseproof paper.
Place the mixture in the dish and gently press it down
Sprinkle grated cheese over the top
Bake in the oven for 30 minutes
Leave to cool and firm up a little before lifting the the baking paper out of the dish and cutting it into slices.