Grilled Pork with Barley, Fennel and Cheddar

Ingredients

• • 1 cup (200 g) pearl barley
  • 3 tbsp (45 ml) Dijon mustard
  • 2 tbsp (30 ml) olive oil
  • 2 tbsp Montreal steak spice
  • 4 tsp (20 ml) honey
  • 1 pork tenderloin, about 1 lb (450 g), cubed
  • 3 small red onions, coarsely sliced
  • 1 fennel bulb
  • 1 cup (100 g) sharp cheddar cheese, grated, plus more for serving
  • 1/4 cup (10 g) fennel fronds, finely chopped
  • 1 tbsp (15 ml) lemon juice