Description
This Onion Boil (Viral TikTok Recipe) turns a simple sweet onion into a buttery, Cajun-spiced comfort dish. Roasted in foil until tender and juicy, it’s easy, cozy, and surprisingly satisfying as a side or simple main.
Ingredients
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1 large (15-ounce) sweet onion, peeled and ends trimmed
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1 tablespoon vegan butter
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1 tablespoon extra virgin olive oil
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1 teaspoon Cajun seasoning
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¼ teaspoon salt, plus more to taste when serving
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Optional: ¼ teaspoon garlic powder
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Optional: ¼ teaspoon Old Bay seasoning
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Optional garnish: finely diced parsley
Instructions
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Preheat the oven to 375°F.
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Using a melon baller or small spoon, scoop out the top center of the onion about one-third of the way down to create a small well.
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Place the onion on a large sheet of aluminum foil. Add the vegan butter into the well.
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In a small bowl, mix the olive oil, Cajun seasoning, salt, and any optional seasonings. Pour the mixture into the well, letting it run down the sides of the onion.
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Wrap the onion tightly in foil and place it in a small baking dish or skillet to catch any juices.
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Roast for 1 hour, until the onion is fork-tender and slightly caramelized.
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Optional: Open the foil, drizzle with extra butter or olive oil, and broil for 5–10 minutes until golden on top.
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Serve hot, peeling away layers and spooning the buttery juices over each bite.
Notes
Sweet onions work best for a mellow, caramelized flavor.
Don’t skip sealing the foil tightly—this keeps the onion tender and juicy.
Delicious served with rice, roasted vegetables, or crispy chickpeas.
Add chili flakes or cayenne if you like extra heat.
- Prep Time: 5 minutes
- Cook Time: 1 hour
- Category: Side Dish
- Method: Oven Roasted
- Cuisine: American
Nutrition
- Serving Size: 1 onion
- Calories: 210 kcal
- Sugar: 7 g
- Sodium: 320 mg
- Fat: 17 g
- Saturated Fat: 4 g
- Unsaturated Fat: 12 g
- Trans Fat: 0 g
- Carbohydrates: 15 g
- Fiber: 3 g
- Protein: 2 g
- Cholesterol: 0 mg