Onion Boil

Name: Onion Boil
Prep time: 10 min
Cook time: 70 min
Total time: 80 min
Yield: 4 servings
Cuisine: American
Ingredients: 4 onions large sweet onions, peeled, tops trimmed; 4 tbsp salted butter, cut into pats; 1 tsp Cajun seasoning; 1 tsp Old Bay seasoning; 1/2 tsp garlic powder; 2 chicken bouillon cube, crumbled, crumbled; 2 tbsp fresh parsley, chopped, for garnish

A whole sweet onion hollowed out, packed with seasoned butter, wrapped tight in foil, and roasted until it collapses into tender, pull-apart layers, the foil-pack side that keeps re-trending on TikTok every cold season.

80 minEasyServes 4190 cal/serving

AmericanSideOvenVegetarianNut-FreeEgg-FreeSoy-Free

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Ingredients

4 onions large sweet onions, peeled, tops trimmed
4 tbsp salted butter, cut into pats
1 tsp Cajun seasoning
1 tsp Old Bay seasoning
1/2 tsp garlic powder
2 chicken bouillon cube, crumbled, crumbled
2 tbsp fresh parsley, chopped, for garnish

Instructions

1

Preheat the oven to 375°F. Trim the root end off each of 4 onions large sweet onions so it sits flat, then cut a deep X about three-quarters of the way down into the top of each onion without cutting all the way through.
2

Gently pull the cut quarters apart to open each onion like a flower, and push a piece of 4 tbsp salted butter down into the center of each.
3

Sprinkle 1 tsp Cajun seasoning, 1 tsp Old Bay seasoning, 1/2 tsp garlic powder, and 2 crumbled chicken bouillon cube, crumbled evenly over and into each onion.
4

Wrap each onion tightly in a double layer of foil and set them on a baking sheet.
5

Roast for 60 to 70 minutes, until a knife slides easily into the center and the onion has collapsed into soft, buttery layers.
6

Carefully unwrap the foil, peel back the top to expose the onion, and top with 2 tbsp chopped, for garnish fresh parsley before serving hot.

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Questions

What oven temperature does Onion Boil need?

For Onion Boil, the oven is set to 375 F (about 190 C) in step 1. The longest stretch at that heat is 1 hour 10 minutes, in step 5.

How do I know when Onion Boil is done?

Go by the cues in the method rather than the clock. Step 5: cook until a knife slides easily into the center and the onion has collapsed into soft, buttery layers.

What can I use instead of Old Bay in Onion Boil?

The entry for Onion Boil calls for 1 tsp Old Bay seasoning. In its place: Celery salt and paprika with a pinch each of black pepper and cayenne.

Can I make Onion Boil dairy-free?

Yes. The dairy in Onion Boil is 4 tbsp salted butter, cut into pats. Swap the butter for olive oil where it melts, or a plant-based block butter where it is creamed. The richness shifts slightly, but the method does not change.

Is Onion Boil vegan?

No, though it is vegetarian. What keeps it from vegan is 4 tbsp salted butter, cut into pats. For fully plant-based entries, see the vegan side collection.

Serve it with

Roast Turkey Breast with Root Vegetables main
Buffalo Chicken Wrap main
Slavinken main

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