Cook the pasta in sufficient salted water for 10 minutes. Meanwhile, bring peas to the boil once with 125 ml water in a closed pot and leave to stand for 2-3 minutes. Finely dice the ham. Grate cheese. Heat the fat.
Sauté flour in it. Add vegetable stock and cream while stirring constantly and bring to the boil. Add 60 g cheese while stirring. Keep stirring until the cheese has melted. Season to taste with salt, pepper, nutmeg and lemon juice. Wash the tomatoes and dab dry. Halve 1 tomato, remove seeds. Finely dice the flesh. Cut the second tomato into slices to garnish. Mix noodles, ham, diced tomatoes and peas.
Halve 1 tomato, remove seeds. Finely dice the flesh. Cut the second tomato into slices to garnish. Mix noodles, ham, diced tomatoes and peas. Pour cheese sauce over it and sprinkle with remaining cheese. Garnish with tomato slices, parsley and basil. Sprinkle with black pepper