Balsamic roasted frozen brussel sprouts (or more correctly spelled as brussels sprouts) makes a quick, easy, nutritious green vegetable side dish for lunch, dinner or any meal! In this easy and quick recipe, we do not slice the brussel sprouts but just bake the whole frozen brussel sprouts in the oven to make a simple, easy dish.

Brussel sprouts is packed with nutrients like Vitamin C, Vitamin K etc and also it is a great source of fiber and antioxidants. You can read more about the health benefits of brussel sprouts here.
Roasted frozen brussel sprouts with balsamic vinegar
While fresh brussel sprouts make great recipes like sauteed, fried and more, easy roasted brussel sprouts can be quickly made using frozen brussel sprouts even without thawing frozen brussel sprouts first!
Yes, these easy, quick whole roasted brussel sprouts using frozen brussel sprouts do not need slicing in halves or thawing first, which makes the preparations really easy and minimal.
Seasoning with balsamic vinegar makes this brussel sprouts a quick, easy, simple and delicious green veggie side dish!
Also try this easy balsamic roasted broccoli and cauliflower if you like the taste of seasoned veggies with balsamic vinegar!
How to cook frozen brussel sprouts?
There are different easy methods to cook frozen brussel sprouts.
You can steam them or saute them on stove top (after thawing if adding oil).
You can cook them on air fryer, you can cook them in instant pot or you can easily roast them in the oven just like we do here.
Whether using frozen or fresh, brussel sprout recipes make great side dishes for holidays or any meal including everyday dinner and lunch!
At what temperature and how long to roast frozen brussel sprouts in the oven?
In this recipe, I have set the oven temperature as 450 degree Fahrenheit and roasted (baked) the whole frozen brussel sprouts (didn't slice in halves) for about 25 to 30 minutes until they are lightly browned.
How to know when brussel sprouts are done?
Once they are well roasted, the brussel sprouts will be lightly browned on the outside, as you can see from the pictures.
Once completely done, they will be slightly crispy on the outside and will be tender inside.
So once they have these golden brown color on the outside, it means they are well roasted and done!
So here is how you can make easy, tasty, healthy and nutritious oven roasted brussel sprouts using frozen brussel sprouts!
How to roast frozen brussel sprouts with balsamic vinegar in the oven?
As you know, the most important two ingredients that we use in this recipe are frozen brussel sprouts and also balsamic vinegar.
To make balsamic roasted brussel sprouts in the oven, we use the following ingredients.
ingredients to make balsamic roasted frozen brussel sprouts
frozen brussel sprouts 24 oz (I used two 12 oz bags of frozen brussel sprouts)
salt adjust to taste
olive oil 3 tablespoons
black pepper powder 1 teaspoon
balsamic vinegar 2 tablespoons
lemon juice 1 tablespoon
garlic powder 2 teaspoons (or use 2 to 3 cloves of fresh garlic finely minced)
onion powder 1 teaspoon (may use 1 tablespoon dried minced onion for added flavor)
Step by step instructions
Preheat oven to 450 degree Fahrenheit.
Transfer the frozen brussel sprouts to a large bowl.
Add olive oil, lemon juice, balsamic vinegar, garlic, onion powder and black pepper powder.
Using a large spoon or spatula, mix well so the brussel sprouts are evenly coated in the oil, lemon, vinegar and spices.
Line a large baking sheet with good quality aluminium foil and place the seasoned brussel sprouts in a single layer.
Bake in the preheated oven for about 25 to 30 minutes until the brussel sprouts are browned on the outside.
Once they are slightly cooled, transfer the roasted brussel sprouts to a serving plate and enjoy the roasted brussel sprouts warm for best results.
You may add little more olive oil, lemon juice, salt, pepper etc or even red chili flakes if you like it spicy!
This easy to make, nutritious, healthy and tasty brussel sprouts makes a great vegetable side dish with lunch or dinner!
Frozen Vegetable & Corn Recipes For Easy Dinner Side Dishes:
instant pot frozen corn on the cob
instant pot frozen cauliflower curry
How long do baked frozen brussel sprouts last in the fridge?
Since the brussel sprouts were already frozen, it is best to store any leftovers from the roasted brussel sprouts in refrigerator (if not eating within few hours after preparation), and enjoy the leftovers in a couple of days as they will stay fresh in the fridge for that long, if stored properly in air tight food containers.
Can you freeze roasted brussel sprouts?
In this recipe, we used frozen brussel sprouts, so I do not recommend freezing the roasted brussel sprouts again for food safety reasons.
If you used fresh brussel sprouts and other fresh ingredients to make roasted brussel sprouts, you may freeze them in freezer safe containers for longer storage.
Below you can get the detailed recipe for balsamic roasted frozen brussel sprouts!
Balsamic Roasted Frozen Brussel Sprouts
Ingredients
- 24 oz frozen brussel sprouts I used two 12 oz bags of frozen brussel sprouts
- salt adjust to taste
- 3 tablespoons olive oil
- 1 teaspoon black pepper powder
- 2 tablespoons balsamic vinegar
- 1 tablespoon lemon juice
- 2 teaspoons garlic powder or use 2 to 3 cloves of fresh garlic finely minced
- 1 teaspoon onion powder may use 1 tablespoon dried minced onion for added flavor
Instructions
- Preheat oven to 450 degree Fahrenheit.
- Transfer the frozen brussel sprouts to a large bowl.
- Add olive oil, lemon juice, balsamic vinegar, garlic, onion powder and black pepper powder.
- Using a large spoon or spatula, mix well so the brussel sprouts are evenly coated in the oil, lemon, vinegar and spices.
- Line a large baking sheet with good quality aluminium foil and place the seasoned brussel sprouts in a single layer.
- Bake in the preheated oven for about 25 to 30 minutes until the brussel sprouts are browned on the outside.
- Enjoy the roasted brussel sprouts warm for best results, you may add little more lemon juice, salt, pepper etc or even red chili flakes if you like it spicy!
Michael Banks
DO the Frozen Brussel Sprouts need to be thawed first to start?
Recipe Garden
No, it doesn't need to thawed first to use in this recipe. Thanks.