For the noodles, boil 2-3 l salted water (approx. 1 teaspoon salt per litre). Wash and drain the spinach. Wash and halve the tomatoes. Peel onion and garlic. Chop onion finely, chop garlic finely.
Cut the feta into about 8 wide strips. Whisk the eggs in a deep plate. Put flour and breadcrumbs on a flat plate. Turn the feta successively first in flour, then in eggs and finally in breadcrumbs.
Heat 2 tablespoons of oil in a coated frying pan. Fry the feta for 4-5 minutes until golden brown.
Cook the pasta in boiling salted water according to the instructions on the packet. Heat 1 tablespoon of oil. Sauté onion and garlic in it and add stock. Add tomatoes and spinach, steam for 3-4 minutes.
Drain the pasta and let it drain. Mix with the spinach and season with salt and pepper. Serve with the feta.