Prepare to be wowed by the incredible flavors of this lentils gratin casserole, a budget-friendly dish that's destined to become a family favorite! Trust me, this recipe is an absolute game-changer!
Saute the carrot, parsnip celery root, onion and mushrooms in a little bit of olive oil for about 10 minutes.
Mix the following ingredients in a large bowl: sauteed veggies and mushrooms, grated feta cheese, beaten eggs, boiled red lentils, parsley, salt and pepper.
Put the composition in a previously oil-coated casserole.
In a separate bowl mix the breadcrumbs with grated Parmesan and spread evenly over the veggies in the casserole.