I use fennel in fish recipes. Here's one:
Fish with Fennel and Oranges
Some nice
firm white fish1 fennel bulb
2 big juicy oranges (those Götterfrucht ones are great)
Noilly Prat or other vermouth
Some crème fraîche if you want to
Juice one of the oranges and cut the skin and zest from the other, cutting the orange into segments with a knife. Reserve (and add any juice that has run off to the other juice).
Remove any discolored parts of the fennel, rinse it, then cut the tops off and slice finely, I normally slice each fennel from the top to the root, into about 5 slices, but its not that important. You can slice them even finer and more delicately if you like.
Get a covered flat pan (I tend to use a deep frying pan or Tarte Tatin pan with a glass lid) and put the fennel in a layer.
Place the rinsed white fish fillets on top of the fennel.
Tip in the orange juice and add enough vermouth until only just covering the fennel and lapping around the fish.
Heat on, lid and gently simmer for about 10mins if that - the fish will steam.
Lift the lid to test for doneness and then just before you serve, add the orange segments to warm though.
Some like a bit of crème fraîche in to thicken the sauce but it tastes nice as it is (if you don't mind a thin sauce).
Goes well with rice and a very skinny dinner it is too.