To make the paprikash, heat up the oil, season the chicken thighs with salt and pepper, and fry on both sides until light brown.
Remove from the pan and set aside.
Peel and chop the onions, and add them to the pan (add more oil if necessary), and fry on a low to medium heat until golden.
Add the garlic and paprika, bring the chicken thighs back in, add the water, tomato sauce and leave to cook on a medium heat with the lid on until the chicken is cooked through and the sauce is reduced.
Meanwhile, make the dumplings. Beat the egg well with a hand mixer until foamy, add the oil and sifted flour, and mix well to get a smooth paste.
Bring a pan of salted water to the boil, and use a spoon to scoop out about 5-6 balls from the flour paste.
Drop them in the water, and cook for 2-3 minutes until they triple their volume and are soft and fluffy.
Season the sauce with salt, pepper and thyme, add the dumplings to the chicken, and garlish with fresh parsley.