Combine 2 tablespoons lemon juice and flour in a bowl; whisk until smooth. Add eggs; whisk until combined.
Bring 1 cup broth to a simmer in a medium saucepan over medium-high heat. Gradually add hot broth to egg mixture, stirring constantly with a whisk. Return egg mixture to pan. Cook 2 minutes or until slightly thick, whisking constantly. Remove from heat; set aside.
Heat the oil in a large saucepan over medium-high heat. Add the onion and a dash of salt, and sauté 8 minutes or until tender. Add 6 cups broth; bring to boil. Reduce heat, and simmer 5 minutes. Add turkey meat, and simmer 2 minutes. Add rice, and slowly whisk in egg mixture. Keep warm over low heat. Add remaining ingredients immediately before serving.