For the pesto, roast the nuts in a pan without fat, remove them, let them cool down and chop them roughly. Grate the parmesan. Wash the basil, shake dry and pluck the leaves. Peel garlic.
Cook orecchiette in 1-2 l boiling salted water (approx. 1 teaspoon salt per litre) according to the instructions on the packet. Puree nuts, a good half of cheese, basil, garlic and 5 tbsp. oil. Season to taste with salt and pepper.
Clean, wash and slice the zucchini. Heat 1 tablespoon of oil in a frying pan. Fry the zucchini in it, turning them golden brown. Remove from heat, season with salt and pepper and sprinkle with lemon juice.
Drain the pasta and put it back into the pot. Add pesto and zucchini, mix everything and serve. Sprinkle with rest of parmesan.