1. Melt butter over low heat in large saucepan.
2. Sauté onion until translucent. Add curry powder and sauté 1 minute.
3. Mix flour and seasonings and blend into onion mixture.
4. Cook over low heat until smooth and bubbly. Remove from heat.
5. Heat broth and milk in microwave; stir into mixture in saucepan.
6. Bring to a boil, stirring constantly. Boil 1 minute.
7. Add turkey and lemon juice. Heat through and serve over rice.
8. Add condiments as topping, as desired.