Lemon Grilled Norwegian Salmon with Couscous

Ingredients

• 1 1/2 lbs. Norwegian salmon fillet, skinned and deboned
• 1 lemon
• 1 tsp sugar
• 2 tsp salt
• 1/2 tsp black pepper
• 1 cucumber
• 1 tsp cilantro, fresh
• salt and pepper
• 1 tsp cumin
• 3 1/2 oz plain yogurt
• 1 cup couscous, dry
• 1 onion, yellow
• 2 cloves garlic
• 1 zucchini (courgette)
• 14 oz vegetable stock
• 1 tbsp butter
• 2 tbsp olive oil
• 2 red bell peppers
• salt