Vegan

Preheat oven to 350°F.
Boil carrots, onion and zucchini 5–7 minutes until soft, then add lentils and simmer about 20 minutes until lentils are soft
Blanch spinach for a few minutes, then remove and set aside
Top up the pan with water, cook lasagne sheets until tender, then drain and set aside
Melt vegan butter, stir in flour, then gradually whisk in soya milk, mustard and vinegar and cook until smooth
Assemble lasagne in a baking dish using the cooked lasagne sheets, blanched spinach, the lentil-vegetable mixture and the sauce
Bake in the preheated oven about 25 minutes