Low waste chicken lasagne - Cookidoo® – la plateforme de recettes officielle de Thermomix®

Ingredients

• 1 brown onion
• 1 carrot
• 1 celery stalk
• 4 garlic cloves
• 20 g olive oil
• 2 tsp dried oregano
• 2 tsp dried basil
• 400 g tomato passata
• 2 tbsp tomato paste
• 2 tsp sugar
• 250 g water
• 2 tsp Chicken stock paste
• ground black pepper
• 500 g cooked chicken
• 250 g cheddar cheese
• 50 g plain flour
• 50 g unsalted butter
• 500 g milk
• 1 tsp Dijon mustard
• sea salt
• 250 g dried lasagne sheets