Bacon Fat Brussels with Onions and Mushrooms

The classic combination of bacon fat and Brussels sprouts is irresistible. This simple side dish is suited for any occasion but is particularly delicious when cooked over a campfire.

or read on for step-by-step instructions with photos

Bacon Fat Brussels with Onions and Mushrooms Recipe

What to do with leftover bacon fat?

Bacon fat adds a rich smokey taste that goes well with just about anything. Other fats from cooking beef, pork, chicken, duck, or goose are all worthy of saving and bring their own nuance.

Think duck or goose fat potatoes, beef fat stir-fried vegetables, chicken fat in chopped liver and onions, pork fat in potato buns or cornbread, and of course bacon fat in roasted Brussels sprouts.

So if you’re cooking meat, that leftover fat is a precious by-product, not garbage. Used in moderation, and in place of cooking oil that you would be adding anyway, animal fat can elevate your dishes to new heights.

grilling bacon over a campfire

What you’ll need

Ingredients

  • 2 tablespoons bacon fat

  • 1 small onion, sliced

  • 6 cremini mushrooms, quartered

  • 1 pound (454 g) Brussels sprouts, trimmed and cut lengthwise

  • salt and pepper, to taste

Equipment

  • Grill pan or cast-iron pan

  • Knife and cutting board

  • Tongs or spoon

  • Campfire or any heat source

Makes: 2 Portions

Prep: 10 min  Cook: 15 min

How to make it

Step 1

Add bacon fat and onions to a hot pan.

Heat a grill pan or cast-iron pan and add the bacon fat and onions, cook over high heat for about a minute until they’re hot and shiny.

Alternatively, use a plant-based fat or butter to make this recipe vegan or vegetarian.

I used the same pan I had just used to cook some bacon, leaving the residual bacon fat to cook this dish.

Step 2

Add the mushrooms.

Add mushrooms and continue to cook until they shrink and shed some of their moisture.

cooking mushrooms and onions in bacon fat over a campfire

Step 3

Add the Brussels sprouts.

Add Brussels sprouts to the pan and continue to cook for about 10 minutes. Stir occasionally to ensure everything cooks evenly. 

Check for doneness by poking a Brussel sprout with a fork or knife, then remove the pan from the heat when tender. I like mine cooked partially, with a bit of crunch left in the center.

Step 4

Season with salt and pepper to taste, then serve as a side dish with your favorite proteins.

I served mine with smoked pork ribs and the grilled bacon from earlier.

bacon fat Brussels sprouts with onions and mushrooms on a table with pork ribs and bacon

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My tips

Substitutions

  • Fat - I had bacon fat on hand, but you can substitute it for:

    • animal fats such as chicken, pork, or duck fat.

    • plant-based fats such as avocado, olive, or coconut oil.

    • butter such as ghee, brown butter, or compound butter.

  • Vegetables - I used the vegetables that looked good at the market that day, but you can pretty much substitute any vegetable you prefer.

  • Seasoning - If you want to add more than just salt & pepper, consider finishing the dish with grainy mustard, apple cider vinegar, and maple syrup.

Storage

  • Stored in an airtight container leftover brussels will last up to 3 days in the fridge.

  • I don’t recommend freezing this because it will lose its texture and become watery.

Dietary Notes: Gluten-free, Dairy-free, Egg-free, Low-carb

That’s it, enjoy!

These Brussels sprouts went so well with the smoked pork ribs and grilled bacon, but I could’ve easily eaten them on their own, they were that good. 

If you’re interested in how I cooked my pork ribs, check out my recipe for barbecue pork ribs with vinegar-based sauce!

smoked pork ribs, grilled bacon, and bacon fat brussels sprouts with onions and mushrooms on a table

Summary

Bacon Fat Brussels Sprouts with Onions and Mushrooms Recipe

Brussels sprouts and bacon fat are a perfect match, and they’re even better cooked over a campfire!

Makes: 2 Portions

Prep: 10 min  Cook: 15 min

Ingredients

  • 2 tablespoons bacon fat

  • 1 small onion, sliced

  • 6 cremini mushrooms, quartered

  • 1 pound (454 g) Brussels sprouts, trimmed and cut lengthwise

  • salt and pepper, to taste

Instructions

  1. Start with onions. Add bacon fat and onions to a hot pan. Cook over high heat until onions are shiny, about a minute. For a vegan option, use plant-based fat or butter.

  2. Add mushrooms. Add mushrooms to the pan. Cook until they shrink and release moisture.

  3. Cook the sprouts. Add Brussels sprouts. Cook for about 10 minutes, stirring occasionally, until tender yet crisp. Check doneness with a fork or knife.

  4. Serve. Season with salt and pepper, then serve with your favorite proteins​.

Top Tips

  • Use a cast-iron skillet to caramelize veggies evenly.

  • For oven-roasting, toss veggies with seasoning and fat, then bake at 450°F for 10-15 minutes, stirring halfway.

  • Swap out bacon fat for any animal or plant-based fat you like, such as chicken fat, avocado oil, or brown butter.

Ever cooked Brussels sprouts over a campfire? Let me know your favorite camping veggies in the comments!

Enjoy!

One Creative Cook

Hi, I’m Reem.

I’m a professional chef with a passion for travel and cooking.

My recipes are made for anyone who enjoys simplicity, minimal equipment, and local seasonal ingredients. Learn to make delicious meals from your home kitchen, campfire, hotel room, or just about anywhere!

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