Ree Drummond's Carrot Cake Cupcakes are a favorite of her grandmother's carrot cake recipe. The original recipe incorporates a little sour cream for tenderness and spice, while using granulated sugar and plenty of carrots. The cupcakes are extremely moist and flavorful, and the cream cheese frosting on top is a cloud of tangy, sweet heaven. If you need a crowd of cupcakes, double the recipe can be done. Vegetable oil is the secret to creating soft, tender, and fluffy cupcakes every time. Food expert suggests using a box grater to grate the carrots, which can result in dry cupcakes. The frosting can be stored at room temperature for up to three months and should not freeze well.