Cut the courgettes and potatoes ma small cubes, pepper and onion, garlic cloves 3-4 pieces. Boil chopped products with the oil and salt in a saucepan with not much water to make soup thicker. When the water boils, add vermicelli - quantity optional. Mash the feta cheese with a fork and add it when vegetables are cooked and vermicelli razvareno. Simmer another 4-5 minutes, enough to melt the feta cheese and add the chopped parsley and dill. Serve with a spoonful of yogurt and fresh bread.