In a bowl add 60g of light mayonnaise, 200g low fat Greek yoghurt, 1/2 tsp onion powder, 1/2 tsp salt, 1/2 tsp black pepper, 1/2 tsp garlic powder, 1/2 Tbsp diced fresh chives, 1/2 Tbsp diced fresh parsley, 1 Tbsp diced fresh dill, and a squeeze of lemon juice. Mix well, preferably using a whisk for 1 - 2 minutes to make it extra smooth. Taste and adjust to suit your liking if needed.