Nibblous | wholewheat pasta with cauliflower, walnuts and feta

Ingredients

• olive oil
• 1 cauliflower, cut into florets
• 4 cloves garlic, peeled and sliced
• 1 onion, peeled and sliced
• 500g wholewheat pasta
• 1 pinch of red pepper flakes
• white wine vinegar
• lemon juice
• handful of toasted walnuts
• 100g feta cheese
• salt and pepper