Onion boil is a must-try.
Onion boil is a must-try. is a easy American recipe that serves 4. 150 calories per serving. Recipe by Kroger on YouTube.
Prep: 15 min | Cook: 45 min | Total: 1 hr 10 min
Cost: $3.71 total, $0.93 per serving
Ingredients
- 4 Large Sweet Onions (peeled, tops cut off, hollowed)
- 6 tablespoons Unsalted Butter (softened for mixing, plus extra for topping)
- 1 teaspoon Cajun Seasoning
- 1 teaspoon Dried Oregano
- 1 teaspoon Paprika
- 0.5 teaspoon Chili Powder
- 0.5 teaspoon Garlic Salt
- 0.5 teaspoon Ground Black Pepper
- 0.5 teaspoon Lemon Pepper
Instructions
Preheat Oven
Set the oven to 375°F (190°C) and allow it to fully preheat.
Time: PT5M
Temperature: 375°F
Prepare the Onions
Trim the tops off the onions, peel away the outer skin, and carefully scoop out the interior with a spoon, leaving a sturdy outer shell to hold the butter mixture.
Time: PT10M
Mix Butter and Seasonings
In a mixing bowl, combine the softened butter with Cajun seasoning, oregano, paprika, chili powder, garlic salt, black pepper, and lemon pepper until a smooth paste forms.
Time: PT5M
Stuff the Onions
Spoon the seasoned butter evenly into each hollowed onion, then place a small pat of melted butter on top of each.
Time: PT5M
Bake the Onions
Arrange the stuffed onions on a baking sheet and bake for 45 minutes, turning once halfway through for even caramelization.
Time: PT45M
Temperature: 375°F
Rest and Serve
Remove the onions from the oven, let them rest for 5 minutes, then serve hot.
Time: PT5M
Nutrition Facts
- Calories
- 150
- Protein
- 2g
- Carbohydrates
- 8g
- Fat
- 12g
- Fiber
- 2g
Dietary info: Vegetarian, Gluten-Free
Allergens: Dairy
Ingredient Substitutions
- Instead of Large Sweet Onions: Yellow onions, Vidalia onions
- Instead of Unsalted Butter: Margarine, Plant‑based butter
- Instead of Cajun Seasoning: Creole seasoning
- Instead of Dried Oregano: Italian herb blend
- Instead of Paprika: Smoked paprika
- Instead of Chili Powder: Cayenne pepper (use less)
- Instead of Garlic Salt: Garlic powder + regular salt
- Instead of Ground Black Pepper: White pepper
- Instead of Lemon Pepper: Lemon zest + black pepper
Equipment Needed
- Oven
- Baking Sheet
- Chef's Knife
- Spoon (for hollowing)
- Mixing Bowl
- Measuring Spoons
- Pastry Brush (optional)
- Aluminum Foil (optional) (optional)
Critical Steps — Do Not Skip
- Hollow out the onions without breaking the outer layers.
- Mix the butter and seasonings into a uniform paste.
- Evenly stuff each onion with the butter mixture.
- Bake until the onions are tender and the butter is melted and slightly caramelized.
Chef Tips from the Video
- Sweet onions (e.g., Vidalia) give a milder, sweeter flavor that pairs well with the Cajun spices.
- For extra crispness, brush a little melted butter on the tops during the last 10 minutes of baking.
- Finish with a sprinkle of grated Parmesan or fresh chopped parsley for added depth.
Troubleshooting
Onions are still firm after 45 minutes.
Cover the baking sheet with foil and continue baking for an additional 10‑15 minutes, or lower the oven temperature to 350°F and bake longer.
Butter leaks out and the onions look soggy.
Use slightly less butter or add a pinch of flour to the butter mixture to thicken it before stuffing.
Storage
Refrigerator: Store leftovers in an airtight container for up to 3 days.
Freezer: Not recommended – the texture of the onion changes after freezing.
Room temperature: Do not keep at room temperature for more than 2 hours.
Make-Ahead Tips
- Prepare the hollowed onions and butter mixture up to step 4, cover, and refrigerate for up to 24 hours before baking.
- Melt the topping butter just before stuffing to keep it pourable.
Frequently Asked Questions
What is the cultural significance and history of butter baked onions in American Southern cuisine?
Baked onions seasoned with butter and Cajun spices trace back to Southern comfort food traditions where onions were a cheap, flavorful side. The Cajun influence adds a spicy kick that reflects Louisiana’s French‑Acadian heritage, making the dish a beloved accompaniment at family gatherings and barbecues.
How does the viral onion boil from TikTok differ from traditional Southern baked onions?
The TikTok version emphasizes hollowing the onion and stuffing it with a butter‑spice paste, creating a “boil‑in‑the‑bag” effect. Traditional Southern baked onions are usually sliced or halved and baked whole, without the hollowed‑out presentation.
What regional variations exist for Cajun‑seasoned baked onions in the United States?
In Louisiana, cooks often add smoked paprika or a dash of hot sauce for extra heat. In other Southern states, the seasoning may be milder, using just garlic powder and black pepper, while some Mid‑Atlantic versions incorporate herbs like thyme.
What occasions or celebrations are butter baked onions traditionally served at in American cuisine?
They are popular at holiday meals such as Thanksgiving and Christmas, as well as at backyard barbecues, potlucks, and casual family dinners where a warm, savory side is desired.
What other American dishes pair well with butter baked onions?
They complement grilled meats like pork chops, smoked ribs, or roasted chicken, and also pair nicely with creamy mashed potatoes, cornbread, or a simple green salad.
What makes this butter baked onion recipe special compared to other onion side dishes?
The hollow‑out technique concentrates the butter‑spice mixture inside the onion, delivering intense flavor in every bite, while the high‑heat bake creates a caramelized exterior that balances sweetness and spice.
What are the most common mistakes to avoid when making butter baked onions?
Common errors include over‑filling the onions, which causes butter to spill out, and under‑baking, which leaves the onion tough. Also, not preheating the oven can result in uneven cooking.
Why does this recipe use Cajun seasoning instead of plain salt and pepper?
Cajun seasoning adds depth with paprika, garlic, and subtle heat, creating a more complex flavor profile that elevates the simple butter‑onion combination into a standout side dish.
Can I make the butter baked onions ahead of time and how should I store them before baking?
Yes. After stuffing, cover the onions tightly with plastic wrap and refrigerate for up to 24 hours. When ready, let them sit at room temperature for 10 minutes before placing them in the preheated oven.
What does the YouTube channel Kroger specialize in?
The YouTube channel Kroger focuses on easy, grocery‑store‑based recipes, cooking tips, and product highlights that help shoppers create quick, affordable meals using ingredients found at Kroger supermarkets.
Last updated: September 1, 2026
