Nectarine Golden Raisin Cake - I Feel Like Cooking

Ingredients

• 1 ½ C all-purpose flour
• 2 t baking powder
• ½ t cinnamon
• ¼ brown sugar
• ¼ C white sugar
• ½ t kosher salt
• 1 egg, beaten
• 3 T butter melted plus more for greasing
• 2 t vanilla extract
• 3/4 C less 1 T milk or heavy cream
• Zest from one orange
• 2 T fresh squeezed orange juice
• Heaping 1/3 C golden raisins
• 1 C peeled and diced ripe Nectarine
• 1 nectarine, peeled and pureed smooth.
• ½ C of salted butter
• 1 t kosher salt
• ½ t vanilla
• about 3 C of powdered sugar, or what is needed for spreading consistency.