Beef and Yellow Beet Carpaccio

Ingredients

• • 2 medium yellow beets, unpeeled (see note)
  • 1 small, very fresh top sirloin beef roast, about ½ lb (225 g)
  • 2 tbsp (30 ml) mayonnaise
  • 1 tsp (5 ml) water
  • 1 tsp (5 ml) Dijon mustard
  • Olive oil, for serving
  • Fleur de sel
  • 1 green apple, unpeeled, cored, julienned and tossed with lemon juice
  • 1 green onion, thinly sliced
  • Slices of baguette bread, toasted