Season chicken breasts with salt and pepper. Heat butter in a frying pan over medium high heat. Place in chicken and cook until nicely coloured and golden, turn and cook on the other side.
Remove and keep warm. Add beans and fry for a few minutes, remove and also keep warm.
Add garlic clove to pan and fry for 1 minute. Add white wine and cream. Mix well and simmer until reduced and thickened. Add parsley and stir through. Serve sauce over chicken and beans.