This is how you do it
Chop parsley and parmesan. Add all ingredients in to the largest Add-a- Twist container. Squeeze the juice out of half a lemon in the container. Put a nice round stone on top and close the lid with the handle. Give it your best shake, shake, shake.
Chop the olives. Place the cutting board in the bowl from your MealKit will make the chopping easier hence the olives will not roll away. Add the anchovies and capers and continue the chopping. Season with lemon juice and generously of olive oil.