Harvest Spice Cake

Ingredients

• 1 cup butter, softened
• 1 1/4 cups sugar
• 1 tablespoon orange peel, grated
• 3 eggs
• 2 1/2 cups flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1 teaspoon cinnamon
• 1/4 teaspoon nutmeg
• 1 cup yogurt, Greek
• 1 cup apple, cooking type, chopped
• 1 cup raisins
• 1 cup walnuts, chopped
• powdered sugar, for sprinkling (optional)