Japanese Mayonnaise (Kewpie Mayo)

Bahan-bahan (2 porsi)

• 2 pasteurized egg yolks
• 2 tsp Dijon mustard
• 1½ cups neutral oil
• 1 tsp Diamond Crystal kosher salt
• 2 tsp sugar ((plus more, to taste))
• ½ tsp dashi powder
• 2 Tbsp rice vinegar (unseasoned)
• 4 tsp fresh lemon juice