Best oven roasted broccoli and potatoes + red onions

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Last Updated on June 22, 2019

Happy New Year!!! 😍🍀🎉 Here comes my first blog post in 2018. It is an oven roasted broccoli and potatoes recipe – another sheet pan creation under 30 minutes I've just experimented with. But instead of plain broccoli baked in the oven, I've combined it with crunchy potatoes and seducing caramelized sweet red onions.

roasted broccoli recipe

This is the perfect gluten-free recipe if you want your family to eat more broccoli. Believe me, there are good reasons for serving this cruciferous vegetable more often. Read about the impressive health benefits of broccoli at the end of this blog post.

While the dish is cooking, you can clear up space and have a clean kitchen as soon as the food is ready. But first, let's take a closer look at the often neglected but not less powerful red onions.

Red onion health benefits

You know, I get red onions regularly in my vegetable subscription box. So far I really missed an easy clean eating recipe with these red bulbs playing a dominating role. In many respects, red onions offer far more health benefits than yellow or white varieties. They are particularly rich in antioxidants, support the body in cancer prevention (1), promote weight reduction, lower cholesterol levels, help detoxify the body and fight inflammation.

Tip: Make sure not to over peel red onions as those outer layers have the most nutrients.

oven roasted broccoli

These onions are the kicker

I think that with this sheet pan recipe I've finally found a fantastic way to eat more nutrient-dense vegetables. When my critical family is raving, then I know for sure that I can publish a recipe blog post and serve the dish again and again.

What I love most in this colorful vegetable mix is the sweet and distinctive taste of the red onions. These onions were left from last year and I just wanted to use up all my veggies before I jumpstart my New Year's grocery shopping tomorrow.

Once you bake it, it will be the seducing red onions you'll smell first, making your mouth water;) They will even overpower the possible unpleasant smell of the broccoli.

How long to roast broccoli

Dependent on the size of the florets they will need 20 – 25 minutes to roast in the oven. But of course, you want that the potatoes are done at this time too. That's why I recommend baking either small potato halves or potato slices which are thin enough.

On the other hand, broccoli florets shouldn't be too small. By doing so you make sure that all vegetables are done in the recommended baking time. For me, 25 minutes worked very well.

Let's jump right to the ridiculously simple and yet so flavorful recipe. Heads up: You will need at least two baking sheets.

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Oven roasted broccoli and potatoes + red onions

roasted broccoli potato sheet pan

A delicious sheet pan recipe without saturated fat

  • Author: Gabi Rupp
  • Prep Time: 10
  • Cook Time: 25
  • Total Time: 35
  • Yield: 3 1x

Ingredients

Scale
  • 500 gr. Broccoli florets
  • 500 gr. small organic white or red potatoes,
    halved or cut in slices
  • 350 gr. red onions, sliced
  • 2 tbsp. olive oil or canola oil

For the seasoning mixture

  • 1/4 tsp Cayenne pepper
  • 1/2 tsp dried oregano
  • 1/2 tsp dried thyme
  • 1/2 tsp garlic powder (optional)
  • 1/4 tsp sea salt
  • 1/4 tsp black pepper

Instructions

  1. Preheat oven to 360 F/ 180 °C.
  2. Line two rimmed baking sheets with parchment paper.
  3. In a large mixing bowl, toss the broccoli florets, potatoes, red onions, olive oil, oregano, thyme, and Cayenne pepper.
  4. Arrange veggies on two sheet pans.
  5. Bake for 25 minutes.
  6. Season with salt and pepper.
  7. Serve immediately.

Notes

  • Serve with clean eating ketchup, hummus or another clean eating dip
  • Omnivores love to sprinkle some parmesan cheese over this dish
  • Don't overcrowd the baking sheet, you want to make sure the vegetables fit in a single layer with no overlapping. Using 2 baking trays are a must as overcrowding will cause the veggies to steam rather than roast.

Did you make this recipe?

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oven roasted broccoli recipe

3 ways to combine roasted potatoes and broccoli

In the following, I'll show you my 3 favorite easy ways how I combine this roasted broccoli and potatoes dish. If you think it won't be enough you can always serve a juicy salad as a starter.

  1. As a side dish with Feta cheese
    Just bake slices of feta cheese packed in tin foil for the last 10 minutes with the veggies. Tip: Sprinkle some rosemary before wrapping and baking it. Hint: Don't go overboard with it, if you are watching your weight.
  2. As the main dish with homemade ketchup
    This is the easiest combination if you have homemade ketchup at hand and prefer vegan or WFPB dishes. If not check out this simple clean eating ketchup recipe.
    It's by the way also my daughter's favorite combination.
  3. As the main dish with guacamole
    If you love avocados, then a guacamole dip will be the perfect companion for you, turning this roasted dish into a culinary delight.

Health benefits of broccoli

  • Broccoli is the secret star among healthful vegetables. It has a strong alkaline effect on the body and prevents us from losing important minerals when neutralizing too much acid.
  • It also contains important dietary fibers and bitter compounds that stimulate digestion and maintain a healthy intestine. In addition, it is rich in nutrients in proportion to its calories.
  • Even conventional medicine in the meanwhile classifies this cruciferous vegetable as a food with a great healing effect. It stimulates the body to form the cancer-fighting substance I3C (indole-3-carbinol). Many studies have shown already that I3C promotes healing, especially in breast and uterine cancer. (2)
  • Sulforaphane is another active substance in broccoli. It can have a protective effect on the prostate, intestine, and pancreas and acts both preventively and curatively against diseases.
  • Tip: If you want to maximize broccoli's benefits, try to include more of the potent broccoli sprouts into your diet.

A typical non-recipe for stressful times

Sometimes I believe that the whole secret of mindful eating lies in small non-recipes such as this one. Roasting vegetables on a sheet pan make it possible for us to eat wholesome and good food on days when we are completely stressed out and not in the real cooking mood.

OTHER SHEET PAN RECIPES YOU MIGHT ENJOY

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9 thoughts on “Best oven roasted broccoli and potatoes + red onions”

    • Until now roasted broccoli with garlic was my favorite version too. I think that in general most veggies taste better with garlic. But in companion with roasted potatoes and caramelized onions I have just a better chance to get my family to eat broccoli:)

      Reply
    • Thank you Sherri. Yes, with caramelized red onions as companion I can “sell” any other vegetable to my family. With the colder season turning on the oven for a sheet pan meal is a real pleasure.

      Reply
  1. Oven roasted veggies are a delicious side dish to any meat! I had no idea that red onions have more health benefits than the other varieties. Thanks for the info!

    Reply
    • You are very welcome Julia. Both types of onions are powerful superfoods with antioxidant, antibacterial, antiviral and anti-carcinogenic properties. Although white onions contain a higher amount of sulfur and more grams of fiber, red onions have been found to contain a higher amount of many other beneficial nutrients. Especially regarding antioxidant properties, cancer fighting and blood thinning they beat white onions.

      Reply

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