Really Onion Dip

Directions

1. 1
   Preheat oven to 425 degrees F.
2. 2
   Rub unpeeled onions with a bit of the olive oil; roast until soft, about 45 minutes.
3. 3
   Cool and peel.
4. 4
   Finely dice the peeled raw onion.
5. 5
   Heat a large skillet over medium-high heat; add remaining oil and heat until quite hot.
6. 6
   Add diced onion and cook, stirring occasionally, until edges begin to brown, about 5 minutes.
7. 7
   Turn to medium-low and cook until onion is golden brown, about 18 minutes.
8. 8
   Scrape onion, oil, and juices into a sieve over a bowl.
9. 9
   Drain onions and spread on a paper towel-lined plate.
10. 10
    Cool the strained oil.
11. 11
    Puree roasted onions in a food processor.
12. 12
    Add mayonnaise, sour cream, vinegar, and salt; pulse until smooth.
13. 13
    With the motor running, drizzle in 1/4 cup of the flavored reserved oil.
14. 14
    Transfer to a serving bowl.
15. 15
    Stir in scallions, pepper, and hot sauce to taste.
16. 16
    Refrigerate at least 3 hours.
17. 17
    Scatter the fried onions over the top just before serving with potato chips.