Brown Butter String Beans With Lemon Egg Sauce

Ingredients

• less than 1 lb string beans
• butter
• salt
• pepper
• 1 egg yolk
• 1 tsp flour
• juice of ½ small lemon
• ½ cup defatted broth

Method

1. 1 Trim the ends and remove strings from the string beans. Partially cook them in moderately salted water.
2. 2 Drain the beans and brown them in butter with salt and pepper.
3. 3 In a small saucepan, whisk the egg yolk, flour, and lemon juice. Stir in the cold broth.
4. 4 Cook the sauce over heat, stirring continually, until it thickens like cream.
5. 5 Pour the sauce over the string beans and heat together briefly before serving.