Bilad al-Sham Kitchen - Chicken roll with lemon sauce

Recipe ingredients:Chicken roll with lemon sauce4 chicken breasts150 (gm) smoked turkey1 green, red and yellow pepperA tablespoon of butterTwo tablespoons of oilSmall onion3 garlicOne tablespoon of mustardTwo cups of mushroomsbouillon cubeTwo cups of creamSenior teaspoonA tablespoon of parsleyOne tablespoon of lemon zest