STREAMING NOW: Nigella: At My Table

Roasted Onions and Potatoes

Want more from Genius Kitchen?

Watch on your Apple TV, Roku, or Fire TV and your iOS, Fire, or Android device.

Learn More
“Simplicity is the key to a great meal. A wonderful dish for a busy mom wanting to make something elegant and tasteful. a lot of times I will double the dressing because it is so good!”

Ingredients Nutrition


  1. preheat oven oven to 400.
  2. when preparing onions you don't want to cut the root completely off so that the quarters stay together for serving. go ahead and peel and quarter the onions.
  3. wash potatoes and quarter rinse again in cold water to remove starches and drain well
  4. put onions and potatoes in a bowl big enough to toss in dressing.
  5. in small bowl mix lemon juice, mustard, garlic, seasonings except parsley and slowly whisk in oil.
  6. pour dressing over onions and potatoes and toss well.
  7. lift onions and potatoes out of bowl with slotted spoon (reserve dressing in the bowl for later) and place on a cookie sheet and spread out for even cooking.
  8. bake for 45 minutes tossing once during cooking time.
  9. remove from oven and drizzle any dressing left onto onions and potatoes and toss on the pan to coat.
  10. serve immediately and sprinkle parsley on top for color.

Watch more

Join the Conversation

  • all
  • reviews
  • tweaks
  • q & a