30min · 1 serving lasagna • Materials: • 300 g ground beef • 1 onion • 1 small carrot • 1 celery stalk (optional) • 2 cloves of garlic • 200 ml of water • 300 ml diced or pureed canned tomatoes • 1 full tablespoon of tomato paste • 1 teaspoon thyme • 1/2 teaspoon pepper • 1/2 teaspoon ground red pepper • Salt • ▫️▫️▫️ • Béchamel: • 50 g butter • 3 tablespoons of flour (wipe) • 500 ml cold milk • 1.5 tablespoons of parmesan (optional) • salt, pepper and nutmeg • ▫️▫️▫️ • lasagna leaves • shredded mozzarella or regular cheddar cheese ▫️▫️▫️ Preparation: • Finely chop the carrot, celery, onion and garlic. Saute the vegetables in oil for 1 minute. Add the minced meat and fry it well. Add tomato paste and fry for a short time. Add the tomato puree, water, salt and