Instructions

  1. Preheat oven to 350°F.
  2. Cream butter and sugar; add eggs to mix.
  3. Mix well until uniform and add flour, baking powder and a pinch of salt.
  4. Mix well before spooning batter into a greased or oiled 9" spring form pan.
  5. Place plums on batter skin side up and sprinkle with sugar and lemon juice.
  6. Spread cinnamon over plums and bake for 1 hour.
  7. Cool to lukewarm and remove from pan.