Carrot Cupcakes with Cardamom Cream Cheese Frosting

For the Cupcakes Makes 14-18 regular cupcakes 3 eggs 1 cup brown sugar 3/4 cup vegetable/canola oil 2 cups all-purpose flour 1 tsp. baking powder 1 tsp. baking soda 1/4 tsp. kosher salt 1 tsp. ground cinnamon 1/4 tsp. ground nutmeg 3 1/2 cups (about 3-4 large) carrots, grated 1/3 cup chopped walnuts 1 tsp….