| 1. | Beat egg whites until stiff in a separate bowl. |
| 2. | Cream sugar and margarine. |
| 3. | Add egg yolks one at a time while mixing. |
| 4. | Alternate flour and sour cream. |
| 5. | Add vanilla and lemon juice. |
| 6. | Pour batter into a greased tube pan. |
| 7. | Bake at 300 degrees for 1-1/2 hours. |