Steak:
Cut Fillet into thick slices, marinate in above for 3-4 hrs, fry in nonstick pan using butter till golden brown, remove on a platter.
Pepper Sauce:
Use same pan you used to fry fillet, add all ingredients except parsley, cook till it thickens stirring at intervals.
Put steak and toss well garnish with parsley or just top up on fried steak pieces and serve.