• Place beans in a large saucepan and cover with water; bring to a boil. Cook, uncovered, for 8-10 minutes or until crisp tender. Meanwhile, in a large skillet, melt butter over medium heat. Stir in the flour, salt and pepper until smooth. Gradually whisk in broth. Bring to a boil; cook and stir for 1-2 minutes or until thickened. Remove from the heat.
• In a small bowl, combine egg yolks and milk. Stir a small amount of hot broth mixture into egg mixture. Return all to the pan, stirring constantly. Bring to a gentle boil; cook and stir for 2 minutes or until thickened and coats the back of a metal spoon. Stir in parsley. Drain beans; serve with sauce.
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