Remove the skin from the raw potatoes and grate them together with the zucchini in a suitable bowl, stir in the egg and 1 tbsp. flour and season with salt, pepper and nutmeg. Chop the parsley and stir in half.
Fry the pancakes in a frying pan in oil until crispy on both sides. Mix yogurt with mustard, garlic and the remaining parsley, season with salt and pepper and serve with the pancakes.
Tip: Zucchini is a type of squash and therefore low in calories, rich in vitamins and easy to digest – just the thing for a light meal!