Clean, wash and slice the zucchini. Wash and clean the tomatoes and also cut them into slices. Peel and slice the onions. Fry briefly in hot oil. Cut ham into strips. Whisk milk and eggs. Season with salt and pepper.
Wash herbs, remove thyme leaves, chop parsley (except for a few leaves for garnishing) and stir into the egg milk. Press the baguette roll dough into a greased quiche tin with a lifting base (26 cm Ø), forming a rim. Layer vegetables and ham on top. Pour egg milk over it. Bake the quiche in the oven (electric cooker: 200 °C/ gas: level 3) for about 45 minutes. Sprinkle with remaining herbs. Results in about 12 pieces