Roast boneless shoulder of lamb with couscous, pine nuts & mint stuffing

Ingredients

1) For the Roast Boneless Shoulder of Lamb with Couscous :

• 900 g boneless shoulder of lamb
• 1 medium onion - diced
• 2 teaspoon ginger - finely minced
• 3 cloves garlic - finely minced/ pressed
• 2 teaspoon cumin powder
• 1 teaspoon cinnamon powder
• 1 teaspoon fennel seeds - ground
• 1 teaspoon coriander seeds - ground
• 1 cup fresh mint - roughly chopped
• 1/4 cup parsley - roughly chopped
• 1/4 cup coriander - roughly chopped
• 1/4 cup uncooked couscous - cooked according to package instructions, should yield about 1/2 - cup cooked couscous
• 1/2 cup pine nuts - toasted
• 1 teaspoon sugar
• 1 teaspoon salt

2) For Harissa :

• 1 tablespoon olive oil
• 1 jar roasted red bell peppers - coarsely chopped
• 1 tablespoon cumin powder
• 1 tablespoon coriander powder
• 1 teaspoon fennel seeds - ground
• 1 tablespoon red chili flakes
• 1 tablespoon tomato concentrate
• Salt