Hollandaise Sauce

• 1/2 cup butter
• 3 egg yolks
• 1 tbsp lemon juice
• salt , cayenne pepper and dry mustard to taste

Microwave butter on high in a 2 cup glass measuring cup until melted, 50–60 seconds. Whisk together egg yolks, lemon juice and seasonings in a 4 cup glass measuring cup. Whisk melted butter gradually into egg yolk mixture, beating constantly. Microwave on Medium until sauce thickens, 20-30 seconds. Whisk halfway through and at the end of cooking to produce a smooth sauce.