Plum-topped Cinnamon Cake

Description
Contributed by Catsrecipes Y-Group
 * Makes 12 servings

Cake base

 * ½ cup butter, softened
 * ¾ cup sugar
 * 2 tsp. lemon zest
 * 1½ tsp. baking powder
 * 1 tsp. cinnamon
 * ¾ tsp. baking soda
 * ½ tsp. salt
 * 2 large eggs
 * 1 cup sour cream
 * 2 cups flour
 * 1 ¼ pound black or red plums, halved, each half cut in 5 wedges

Topping

 * ¼ cup sugar, brown or white only
 * 2 tbsp. butter, cut in small pieces

Directions

 * 1) Heat an oven to 350°F. Grease a 9-inch spring-form pan.
 * 2) Beat first 7 ingredients in a bowl 3 minutes or until pale.
 * 3) Add eggs; beat well.
 * 4) Beat out the sour cream, then flour until blended. Spread into a pan.
 * 5) Place plums wedges, skin side down and close together, around top edge of cake, make another circle of plums in the middle.
 * 6) Sprinkle with topping, sugar and dot with butter. Bake 1 hour and 20 minutes or until done.
 * 7) Cool in a pan 10 minutes.
 * 8) Remove pan sides. Serve warm or at room temperature.