Pasta with Spinach & Feta

Ingredients

• 400g dried pasta
• 2 tbsp extra-virgin olive oil
• 1 large onion finely diced
• 2 tsp crushed garlic
• 1 large bunch spinach washed, stalks removed, finely chopped
• 200g feta cheese crumbled
• 1/4 cup walnuts toasted (optional)
• freshly ground black pepper to taste
• a pinch of finely grated nutmeg