Grand Marnier Carrot Cake requires about 1 hour and 54 minutes from start to finish. This recipe serves 18. Watching your figure? This vegetarian recipe has 379 calories, 3g of protein, and 12g of fat per serving. This recipe covers 7% of your daily requirements of vitamins and minerals. It can be enjoyed any time, but it is especially good for Easter. Head to the store and pick up orange juice, orange zest, pecans, and a few other things to make it today.