Ingredients

• 2 egg yolks
• 1/4 lemon, juiced, or to taste
• 1 pinch salt
• 1 pinch cayenne pepper
• 1/4 cup salted butter, melted

Instructions

1. Beat egg yolks, lemon juice, salt, and cayenne pepper together in a microwave-safe bowl until smooth. Slowly stream melted butter into the egg yolk mixture while whisking to incorporate.
2. Heat in microwave for 15 to 20 seconds; whisk.