Combine broth and rice in crockpot. Cover; cook on high 2 to 3 hours or until rice is tender

Turn crockpot slow cooker to low. Whisk egg yolks and lemon juice in medium bowl. Whisk large spoonful of hot rice mixture into wgg yolk mixture. Whisk black into crockpot. Cook 10 minutes

Season with salt and pepper. Garnish with lemon slice and chopped parsley, if desired.