Ingredients

4 cups shredded red cabbage (from half a small head)

10 halved new potatoes

Extra-virgin olive oil

Kosher salt and freshly ground pepper

1 pound skinless salmon fillet

2 tablespoons grainy mustard

2 tablespoons horseradish

Zest of 1 lemon, plus fresh juice

Preparation

Preheat oven to 400 degrees. Toss cabbage and potatoes with oil; season with salt and pepper. Roast 25 minutes. Mix together mustard, horseradish, and lemon zest; smear on salmon. Nestle in pan, and roast 15 minutes. Squeeze lemon juice over all.