If your beetroot is not already cooked, wash and dry it well and place it on a baking dish. Preheat the oven at 200 degrees Celsius/ 400 degrees Fahrenheit and bake the beetroot until soft, you should be able to easily prick it with a fork. This will take at least one hour or more depending on the size of your beetroot, keep checking.

In the meantime, cook the potatoes until soft. Cook the carrots. Cook the eggs until hard as well. Leave everything to cool, the beetroot as well.

When all the cooked vegetables and the eggs are cold, chop them into nice cubes or slices.

Remove the stone of the olives and chop them roughly.
In a small bowl combine the mayonnaise and the mustard, add some salt and pepper.

Add the mayonnaise to the vegetables and mix carefully.

Adjust the taste with salt and pepper again and sprinkle the salad with some chopped parsley.