Ingredients
Method
1.Preheat oven to 180°C.
2.Brush bread slices with oil. Place in a single layer on an oven tray. Bake 8-10 minutes, until lightly golden.
3.In a small bowl, mix together mayonnaise and wasabi.
4.Just before serving, top each bread slice with a dollop of mayonnaise, a piece of beef and a watercress sprig.