Heat a thumb depth of oil until medium hot. Add the potato chips in batches and cook until crisp. Keep warm while you cook the batches. Place the egg yolk, mustard, garlic and vinegar in a blender ...
The dish is typically made with hard-boiled eggs, mayonnaise ... side of potato chips or a salad to complete the meal. That said, there are a few mistakes that can ruin an egg salad sandwich ...