Healthy Carrot Cake Cupcakes

Ingredients

• 2 c whole-wheat pastry flour
• 1 c all-purpose flour
• 2 tsp baking soda
• 1 1/2 tsp ground cinnamon
• 1 tsp ground ginger
• 1/2 tsp ground nutmeg
• 1/2 tsp kosher salt
• 1 c lightly packed brown sugar
• 1/4 c canola oil
• 2 large eggs
• 1/2 c plain yogurt
• 1 lb carrots, grated
• 1/2 c golden raisins
• 4 oz light cream cheese, at room temperature
• 1 c confectioners’ sugar
• 1/4 c chopped walnuts (optional)