Lemon Parmesan Pearl Couscous

Bahan-bahan (4 porsi)

• 2 tablespoons butter
• 2 large cloves garlic, pressed or minced
• 1 1/2 cups (8 ounces) pearl couscous
• 2 cups chicken stock
• 1/4 teaspoon each: fine sea salt and freshly-ground black pepper
• 1 cup (1 ounce) freshly-grated Parmesan cheese
• 1 tablespoon lemon juice (optional)