Season chicken with paprika, onion powder, salt and pepper. Set aside. Arrange beans in glass dish, add 1/2 water. Microwave for 5-6 minutes until partially cooked and still crisp.
Melt 2 tbs. butter in skillet over medium low heat. Lay thighs in single layer and cook for 5 - 6 minutes. Flip and cook for another 5 - 6 until done. Transfer to plate and set aside.
In the same skillet, lower heat, add remaining butter, parsley, garlic, red pepper flakes and beans and cook for 4-5 minutes, stirring regularly. Add chicken stock and lemon juice and thicken slightly. Add chicken back to skillet until warmed. Serve immediately.