I remember serving these about a year ago when my uncle came to visit from Israel- they were also served at my friend's house for New Year (sorry for metric measurements, that's how they were written down in my notebook).
Chicken Snowballs
2 eggs
100g mushrooms (pretty much any would do- we used button)
1 onion
100g cheese (not melted, grated is fine)
300g chicken breast
salt and pepper
mayonnaise
lettuce
1. Boil eggs (hard-boiled). Cut them up into small pieces.
2. Grate cheese if it's not grated already.
3. Cook the chicken breast in salted water. Cut it into small cubes.
4. Chop up onion and mushrooms.
5. Saute mushrooms with onions.
6. Combine eggs, chicken, mushrooms, and onion pieces in a bowl.
7. Add some (1-2 teaspoons) of mayonnaise, salt and pepper to taste.
8. Form spheres out of the combination (easier than it sounds).
9. Dip each sphere into the grated cheese to give it a bit of a coating- the whiter the cheese the more like a snowball it looks.
10. Serve spheres on lettuce leaves.
Enjoy!