Crumble the cheese and mix with sour cream and half a teaspoon of butter.
Make small balls.
For dressing, mix soy sauce, oil and lemon juice.
Fry the sesame seeds and roll the cheese balls in it.
Cut the cucumber and radish into strips, mix with the dressing.
Place the arugula on a platter, then add the radish and cucumber and garnish with balls.
