Oven-roasted fish with fennel vote now PreviousNext Main DishVery Easy40 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 4 2 pounds fennel with fronds still attached (3 medium bulbs) 2 tablespoons extra virgin olive oil 1 medium onion, preferably a spring onion, chopped (about 1 cup chopped onion) 2 garlic cloves, minced Salt and freshly ground pepper to taste 1 1/2 pounds firm white fish fillets, such as Pacific cod, Pacific halibut or striped mullet View the directions