In a mixer bowl, combine eggs, oil, buttermilk, vanilla, and brown sugar. Use the lower amount of sugar if you like things less sweet, higher if you prefer more sweet. Beat until blended.
In a separate bowl, combine flour, cinnamon, baking powder, baking soda, and salt. Stir until well mixed.
Add flour mixture to the liquid mixture and beat on low until just blended.
Stir in grated carrots, nuts, and currants or raisins if using until combined
Place 12 cupcake liners in a muffin pan. Divide the batter between the 12 cups filling 2/3 – 3/4 full.
Bake at 350 for 15 -20 minutes, until the toothpick comes out clean. Let cool, then frost and add colorful sprinkles if desired.
I am not a health professional and nutrition data is calculated programatically. Accuracy may vary with product selection, calculator accuracy, etc. Consult a professional for the best information.