Oma's German Plum Cake | Debbie's Kitchen Corner

Ingredients

• 1/2 cup unsalted butter softened
• 2/3 cup sugar granulated
• 2 eggs room temperature
• 1 tsp lemon zest
• 1 tsp vanilla extract
• 1 1/4 cups all purpose flour
• 1 tsp baking powder
• 1/4 tsp salt
• 10 plums 10-12 pitted
• 3/4 cup sugar
• 1/4 tsp cinnamon
• 1 cup all purpose flour