Preheat the oven to 350 degrees F. Line a cookie sheet with parchment paper
or a silicone baking mat
, then set aside. If needed, cook, mash, and cool the carrots: Peel and cut the carrots into large pieces (cut baby carrots in half), then place in a small saucepan. Cover with water, then bring to a boil over high. Let boil until the carrots are tender, about 6 minutes. Mash and let cool to room temperature (you can also place the carrots in the freezer to cool more quickly).