Cover with a sheet of foil loosely pressed down on the vegetables, and put the lid on top. Place into the oven to cook for 30 minutes. Remove the dish from the oven and turn over the fennel.
Trim the tops from the fennel and cut each bulb ... It is essential to pre-cook the potatoes and fennel, otherwise they absorb too much butter and you would have to use more, giving an over ...
I started making Garten's potato-fennel gratin when I had almost zero cooking skills, so I can attest that it's 100% foolproof. More importantly, it's incredibly comforting — and goes well with ...