Roast Potato Salad with Garlic Mayo – Elgusto Global

Ingredients

• 2 kg waxy potatoes, scrubbed
• 4 red onions, peeled
• 6 tbsp olive oil
• Sea salt and freshly ground black pepper
• 9 clove garlic, skin on
• 30 g walnuts, roasted
• 250 ml good quality mayonnaise
• 2 tbsp olive oil
• 2 tsp Dijon mustard
• 25 g freshly grated Parmesan, plus extra for garnish
• 0.25 cup finely chopped flat-leaf parsley
• 6 tsp lemon juice