Mini Roast Beef, Beetroot Chutney and Horseradish Rolls

Name: Mini Roast Beef, Beetroot Chutney and Horseradish Rolls
Prep time: 15 min
Cook time: 45 min
Total time: 45 min
Yield: 12 pieces
Ingredients: 400 g cooked beetroot; 100 g red onions; 180 g apples; 200 g soft brown sugar; 100 g red wine vinegar; 120 g balsamic vinegar; 60 g crème fraîche; 50 g mayonnaise; ½ Tbsp creamed horseradish; ¼ tsp fine sea salt; 1 pinch ground black pepper; 12 slider buns; 6 slices roast beef; 50 g rocket leaves