Juicy Beef Skewers With Horseradish Dip | Nigella's Recipes | Nigella Lawson

Ingredients

• 500 grams beef rump steak
• 1½ tablespoons red wine vinegar (or balsamic vinegar)
• 60 millilitres olive oil
• 3 tablespoons freshly grated horseradish (or horseradish sauce or cream)
• 2 tablespoons rosemary needles (or 1 teaspoon dried rosemary)
• 1 bunch fresh rosemary for garnish (optional)
• 2 tablespoons Worcestershire sauce
• 2 tablespoons red port
• 200 grams creme fraiche (or sour cream)
• ½ teaspoon Dijon mustard
• ¼ teaspoon Maldon salt (or a generous pinch table salt)
• 4 tablespoons chopped chives