This is a lovely recipe, and seems very adaptable. I actually had mini bundt pans leftover from my Family Childcare days (we used to bake on Fridays so each child could take home a mini cake). But since I then discovered I'd run out of cooking spray, and couldn't cope with greasing all those little nooks I used my large bundt pan. The mixture filled it halfway, and baked in 46 minutes. It easily came out of the pan, and looked gorgeous. It was fun to paint with the grappa syrup!
Here's a slice, with a dollop of whipped cream sweetened with some of the syrup, which I also dribbled around. Delicious! The downside of using the large pan is that you get less of the booze-soaked, slightly crunchy outer layer! Next time I'm definitely going to use the small pans.