Steps
1. Season the chicken breast with salt and pepper.
2. In a skillet, melt butter over medium heat.
3. Add the chicken breast and cook until browned on both sides.
4. Remove the chicken and set aside.
5. In the same skillet, add mushrooms and onions. Cook until softened.
6. Stir in the yogurt and return the chicken to the skillet.
7. Simmer for a few minutes until chicken is cooked through.
8. Serve hot and enjoy!