Wash thoroughly the basil leaves and leave it on a colander to drain

Peel garlic and grate the cheese

In a blender, put basil leaves, pine nuts and garlic. Add a little olive oil and run the blender till all ingredients are mixed thoroughly and forms a smooth paste

Add the Parmesan and run for some more time add a little more of the olive oil to maintain consistency

Take out of blender and store in a stainless steel or food grade plastic container. Top up with olive oil to stop the paste from getting oxidized. Store in fridge and not in freezer for future use