THanks, jazzgirl. I knew the word only because it came up at some point in the pasr. ( I had to check in Chambers, to make sure it wasn't one of my made-up words, made to fit words).
Cle for 37 D...
Dish in the can that's underdone (5) Penne
Penne(d) would be in the can, in prison and underdone means shortened. Penne, dish, pasta dish.