Chicken, leek and corn pie

Name: Chicken, leek and corn pie
Prep time: 15 min
Total time: 15 min
Yield: 4 porties
Cuisine: Belgian
Ingredients: fresh flat-leaf parsley; brown onion; leeks; salted butter; plain flour; water; Chicken stock paste; chicken thigh fillet; pouring (whipping) cream; frozen corn kernels