Creamy French Onion Dip
- PREP 5min
- COOK 55min
- TOTAL 1hrs
Skip the prepackaged French onion soup mix and make this easy French onion dip with sour cream instead. It’s easy to make, only requires five simple ingredients (two of which are salt and pepper), and tastes much better than anything you can buy at the store. Sour cream and onion dip gets better over time, making this the perfect make-ahead appetizer!
You Will Need
1 medium-to-large sweet onion like Walla Walla or Vidalia, chopped small (2 ½ cups)
3 tablespoons butter, melted
1/4 teaspoon fine sea salt
1/8 teaspoon fresh ground black pepper
1 pint (16 ounces or 2 cups) sour cream
Directions
Heat oven to 375° Fahrenheit (190°C).
Toss chopped onions with the melted butter and spread them into a thin layer on a quarter sheet pan lined with parchment paper or use a 13-inch by 9-inch baking dish.
Roast, stirring every 10 minutes, until the onions are soft, smell sweet, and begin to turn a light golden color; 50 to 60 minutes. Keep a closer eye towards the end of the cooking time to ensure the onions do not overbrown.
Transfer the onions while they are still hot to a mixing bowl and scrape all the butter left in the pan into the bowl with the onions.
Stir in the salt, pepper, and sour cream.
Cover and refrigerate overnight, and then serve. The dip will last in the fridge for up to four days.
Adam and Joanne's Tips
- When you are ready to serve the dip, give it a good stir — you might notice some liquid pooled at the top from the onions. That liquid tastes amazing, so we want to stir it back into the dip.
- Caramelize onions on the stove instead of in the oven: Slice the onions into thin half-moons. Melt the butter in a wide pot over medium heat, add the onions, cover with a lid, and cook, over medium heat, until the onions look translucent, 12 to 15 minutes. Uncover the pot, and continue to cook the onions, stirring occasionally and scraping up any stuck browned bits from the bottom and sides. The onions take 45 to 60 minutes to caramelize. Keep a close eye on them. When you notice they begin to brown, stir them more often to keep them from burning. When they are golden and smell caramelized, mix into the sour cream mixture. Watch us caramelize onions in our French onion soup video.
- Vegan alternatives: Swap the sour cream for vegan sour cream or use cashew cream. Use a plant-based butter when cooking the onions.
- Nutrition facts: The nutrition facts provided below are estimates. We have used the USDA database to calculate approximate values.
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