Add all of the ingredients to a blender and blitz for 2 minutes until creamy.
40 g olive oil, 30 g maple syrup, 25 g white wine vinegar, 12 g Dijon mustard, 1/2 tsp salt, 1/4 tsp black pepper, 1/4 tsp dried basil, 1/4 tsp dried parsley, 1 tsp cornflour