Simply a delight, Roasted Foil Pack Onions are a delicious and easy-to-make side dish. They are perfect for barbecues, camping trips, or even a cozy dinner at home. These onions turn out sweet, savory, and melt-in-your-mouth tender. Let’s dive into what makes them so special, how to make them, and answer some common questions.

Two white ramekins filled with brown liquid and sliced onions, placed on a gray surface. A wooden spoon lies to the side.

Table of Contents

🧅Roasted Foil Pack Onions

Roasted foil pack onions have a rich, sweet flavor with a savory twist. The butter and brown sugar caramelize during cooking, making the onions soft and slightly sweet. The beef broth or bouillon adds a deep, rich flavor, while a pinch of salt and pepper balances everything out. Each bite is a blend of sweetness and savory goodness that pairs well with any main dish.

Two peeled and cored onions placed in white ramekins, set on a reflective foil surface.

Two white onions seasoned with black pepper and placed in white ramekins on an aluminum foil background.

🛒 Ingredients you’ll need for

The full recipe with ingredient amounts and instructions is at the bottom of this post. You can save a tree and the recipe to your personal and private recipe box here on Call Me PMc. This way, you’ll never misplace it.

For each onion, you’ll need

1 tablespoon butter
1 teaspoon brown sugar
pinch of salt and pepper
1 teaspoon beef bone broth concentrate or beef bouillon cube

Two partially cut onions sit in white ramekins, filled with balsamic glaze and seasoning, placed on a crinkled aluminum foil background.

🍲Roasted Foil Pack Onions Cooking Tips

Choose the Right Onions: Sweet onions, like Vidalia or Walla Walla, work best because they enhance the caramelized flavor. However, any onion will do in a pinch.
Wrap Them Well: Wrap the onions in heavy-duty aluminum foil. This ensures they cook evenly and don’t burn. Double wrapping can provide extra protection.
Preheat Your Grill or Oven: Make sure your grill or oven is preheated to medium-high heat (about 375-400°F). This helps the onions cook evenly.
Check for Doneness: The onions are done when they are soft and translucent. This usually takes about 35 to 45 minutes. You can check them by unwrapping a corner of the foil and poking the onions with a fork.

Two onions in small white ramekins, topped with round portions of brown sugar and seasoning, are placed on crumpled aluminum foil.

Wrinkled and balled-up pieces of aluminum foil lie on a gray surface.

🙋🏼‍♀️Roasted Foil Pack Onions FAQ

Can I make these in the oven?
Yes! Preheat your oven to 400°F and place the foil packs on a baking sheet. Bake for 35-45 minutes or until the onions are tender.
Can I use other types of broth?
Absolutely. Chicken or vegetable broth can be used if you prefer a different flavor or want a vegetarian option.
Can I add other vegetables to the foil pack?
Yes, you can add vegetables like bell peppers, carrots, or mushrooms. Just make sure to cut them into similar-sized pieces to ensure even cooking.
How do I store leftovers?
Let the onions cool completely, then store them in an airtight container in the fridge for up to 3 days. Reheat them in the microwave or oven before serving.
Can I make these ahead of time?
Yes, you can prepare the foil packs ahead of time and store them in the fridge for up to 24 hours before cooking.

Two white ramekins containing sliced onions in a dark liquid, placed on a surface covered with aluminum foil.

Conclusion

Roasted foil pack onions are a simple yet flavorful side dish that enhances any meal. With a few basic ingredients and easy preparation, you can enjoy the delicious combination of sweet and savory flavors. Whether you’re grilling outdoors or baking in your kitchen, these onions are sure to be a hit. Try them at your next meal and taste the magic for yourself!

More recipes you’ll enjoy

Two white ramekins filled with dark liquid and garlic cloves. A wooden spoon rests in the background.

Roasted Foil Pack Onions

Author: Paula

5 from 2 votes

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Prep Time: 5

Cook Time: 45

Servings: 1 serving

Ingredients

For each onion, you’ll need

1 small to medium Vidalia onion
1 pinch each salt and pepper to taste
1 teaspoon beef bone broth concentrate or beef bouillon cube
1 tablespoon butter salted or unsalted
1 teaspoon brown sugar light or dark

Instructions

These ratios are for 1 onion. You can make as many or few as you want.
Cut the roots off and the top off, then peel the onion. (If you're cooking more than one onion, try to get them the same size so they'll cook at the same time.)
Cut the onion into 4ths but don't cut all the way through the onion. Keep it connected at the bottom. Scoop out about 1 tablespoon of the onion from the center. (I put this in the bottom of the pan or foil.)
1 small to medium Vidalia onion
Place the onion on aluminum foil large enough to wrap it. You can also put it in a casserole dish. Because I didn't want to lose any of the liquid, I put each onion in a ramekin and wrapped it in foil. (The foil holds in the heat and helps cook the onion.)
Now top the onion with salt, pepper, bone broth, butter, then brown sugar in that order.
1 pinch each salt and pepper to taste, 1 teaspoon beef bone broth concentrate, 1 tablespoon butter, 1 teaspoon brown sugar
Close the foil pack securely.
Bake or grill at 400℉ for 35 to 45 minutes, depending on how tender you want it.
Serve hot.

Notes

These ratios are for 1 onion. You can make as many or as few as you want.
Check the sodium content of your bone broth. You may not need to add salt.

Nutrition

Nutritional information given is an automatic calculation and can vary based on the exact products you use and changes you make to the recipe. If these numbers are important to you, I recommend calculating them yourself.

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