Roast pine nuts in a pan without fat until golden brown. Remove. Peel onion and garlic and dice finely. Wash and clean the zucchini and mangetouts. Peel, clean and wash the carrot.
Cut the zucchini and carrot into thin strips (or peel into strips with a vegetable peeler). Cook the pasta in boiling salted water for about 10 minutes. Add sugar snap peas about 2 minutes before the end of cooking time.
After about 1 minute add carrot and zucchini strips. Drain the vegetable noodles and let them drain. Meanwhile heat the fat in a pan and sauté the onion and garlic. Dust with flour and sauté briefly.
Deglaze with broth and cream. Bring to the boil and stir in mascarpone. Season with salt, pepper, sugar and lemon juice. Serve the vegetable noodles with the sauce. Finely slice parmesan. Sprinkle with pine nuts and parmesan shavings.
Garnish with basil and lemon slice.