Put the pasta in boiling salted water and cook for about 8 minutes. Clean and wash the broccoli and divide into florets. Cover and cook in 1/4 l salted water for about 6 minutes
Peel and chop the onion. Drain the broccoli and keep the vegetable water. Drain the pasta
Heat the fat. Sauté onion and flour in it. Stir in vegetable water and milk, add stock. Let simmer for about 5 minutes. Grate cheese, melt half of it while stirring. Season to taste with salt and pepper
Put the pasta and broccoli in an ovenproof dish. Spread the cheese sauce evenly over it. Sprinkle with almonds and remaining cheese. Bake in the preheated oven (electric cooker: 200 °C / convection oven: 175 °C/ gas: level 3) for 15-20 minutes
Drink: mineral water