Wash the chicken filet and pat dry. Season with salt and pepper. Heat oil in a coated pan. Fry over medium heat, turning once, for about 10 minutes. Clean and wash the chicory.
Cut the chicory into strips, except for 2 leaves. Mix yoghurt with lime zest and juice. Season with salt and pepper. Peel the orange so that the white skin is completely removed. Cut the orange into slices.
Arrange chicken with chicory leaves and strips and orange slices on a plate. Drizzle with yoghurt sauce.