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Beef skewers, purple potatoes, Irish mustard sauce

JP in Today show studios in Cork
JP in Today show studios in Cork

Galway based chef JP McMahon serves up this perfect weekend family meal that works for a casual dinner or for a special occasion. Here's the recipe and watch him in action on the Today show on RTÉ One.

Ingredients:

  • 450g beef rump, trimmed of fat and sinew
  • 300g purple potatoes
  • Extra virgin rapeseed oil
  • Sea salt

For the sauce:

  • 200ml cream
  • 100ml beef stock
  • 2 tsp Irish wholegrain mustard
  • 15ml Irish whiskey
  • Sea salt

Method:

1. To make the sauce: Bring the cream and stock to the boil. Add the whiskey and then mustard and reduce the sauce until it is thick enough to coat the back of a spoon. Season to taste.

2. To cook the potatoes: cover the potatoes in lightly salted water. Bring the water to the boil and then reduce to a simmer. The potatoes are ready when you can pierce them to their core with a small knife or skewer. Cool the potatoes and then slice into rounds. To reheat, fry in a little oil until crispy.

3. Cut the beef in small pieces. In a large bowl, combine the beef with the oil. Season with sea salt. Place 4-6 pieces on each skewer, depending on their size. Grill the beef on a hot plate or on a ribbed frying pan. If you want, you can transfer them into a 100˚C oven in order to keep them hot while you grill all of the skewers. I like to serve them medium rare.

4. To serve: place some potatoes on the base of the plate. Lay the skewer over the potatoes and drizzle the warm sauce over the beef and potatoes.