For the green mayo
1 cup mayonnaise
juice from 1 lemon
1 teaspoon mustard
1/4 cup chopped parsley
1/4 cup sugar
1/2 teaspoon salt
1/4 teaspoon pepper

For the potatoes
1 kilo baby potatoes 
200 grams bacon, cut into strips
6 cloves garlic, minced
1 onion, minced
1/4 cup chopped parsley
salt and pepper

1  Make the green mayo: In a blender, combine mayonnaise, lemon juice, mustard, parsley, sugar, salt, and pepper. Process until mayonnaise turns green; set aside. 

2  Prep the potatoes: Boil baby potatoes until tender. Cool, cut in half, and transfer to a bowl. In a pan, cook bacon  until crispy; set aside. In the same pan, saute garlic until fragrant. Add the fried bacon, bacon fat, garlic, mayonnaise mixture, onion, and parsley to the potatoes; mix well. Season to taste with salt and pepper. Chill and serve cold.