Tartar Sauce

Bahan-bahan (4 porsi)

• 2 large eggs (50 g w/o shell)
• ¼ onion
• 1 pickle ((you can also use 7 cornichons or 4 sweet gherkins))
• ¼ tsp Diamond Crystal kosher salt
• freshly ground black pepper
• ½ lemon ((more or less, according to your taste))
• 4 Tbsp Japanese Kewpie mayonnaise
• parsley ((optional))
• 1 tsp Japanese karashi hot mustard