1 Peel the potatoes and cut them into cubes.
2 Place the potatoes in a deep saucepan, add enough water to cover them, and add salt. Bring to a boil over medium heat.
3 Reduce heat to medium and cook the potatoes until they are soft, about 15-20 minutes.
4 Drain the water immediately after cooking to prevent overcooking the potatoes.
5 Add oregano, pepper, and olive oil.
6 Using a masher or fork, mash the potatoes into a puree.
7 Defrost the chicken kyiv and fry it in a deep fryer at 170 degrees Celsius (338 degrees Fahrenheit) for 5-7 minutes.
8 Boil green peas in boiling water for 2 minutes.