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Grilled Marinated Beef Fillet With a Tangy Sauce

Grilled Marinated Beef Fillet With a Tangy Sauce created by The Flying Chef

Marinated steak served on a bed of mash, topped with spinach and drizzled with a tangy sauce. I served mine on parsnip mash, but you can serve steak with whatever vegetable or potato you like, mine is only a serving suggestion. You can also use beef sirloin, rib-eye or rump steak instead of beef fillet.

Ready In:
25mins
Serves:
Units:

ingredients

directions

  • Combine vinegar, oil and mustard's in storage container add steaks and marinate several hours or overnight.
  • Drain beef and reserve marinade. In a medium saucepan add stock, sugar and water to reserved marinade. Heat over medium heat until sugar dissolves. Mix a little water with cornflour and add to sauce, stir until mixture thickens. Keep warm over low heat stirring occasionally. If sauce seems to be getting too thick add a little more water, not to much though, as remember you still have to add the sour cream which will thin it out again.
  • Heat a small amount of olive oil in a pan over med high heat (or grill or BBQ) add the steaks and sear 1-2 minutes each side. Cook for a further 4-5 Min's a side for medium rare. Cooking time will vary depending on the thickness of the meat. Remove steaks and allow to rest.
  • While the steak rests, turn up the heat on the sauce and whisk in sour cream (this will also blend in any mustard that is still a little lumpy.), add pepper to taste.
  • To serve: Place a few spoonfuls of desired mash in the centre of a plate, place steak on top and top with a mound of spinach, drizzle with sauce.
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RECIPE MADE WITH LOVE BY

@The Flying Chef
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@The Flying Chef
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"Marinated steak served on a bed of mash, topped with spinach and drizzled with a tangy sauce. I served mine on parsnip mash, but you can serve steak with whatever vegetable or potato you like, mine is only a serving suggestion. You can also use beef sirloin, rib-eye or rump steak instead of beef fillet."
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  1. TasteTester
    I served this to guests who flew in tonight; they were so hungry (airline peanuts just don't do the trick). The sauce was so delicious on the mashed potatoes I used as a base, and on the spinach as well. I think I might use add more beef base next time and season the steaks with salt, but our guests loved it; there were no leftovers. None of us had used a mustard-vinegar marinade on steak before, but it gave a great flavor overall. Also, the presentation was great -- quite impressive my guests said. Thanks for posting this!!
    Reply
  2. The Flying Chef
    Grilled Marinated Beef Fillet With a Tangy Sauce Created by The Flying Chef
    Reply
  3. The Flying Chef
    Marinated steak served on a bed of mash, topped with spinach and drizzled with a tangy sauce. I served mine on parsnip mash, but you can serve steak with whatever vegetable or potato you like, mine is only a serving suggestion. You can also use beef sirloin, rib-eye or rump steak instead of beef fillet.
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