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Deliciously caramelized sauteed peppers and onions are a crowd-pleasing side dish for just about any meal! Made with herbs, seasonings and a splash of red wine vinegar. (gluten free, paleo, vegetarian, vegan)

Sauteed peppers and onions in a white bowl next to a clove of garlic and a striped blue and white cloth napkin.

Sauteed peppers and onions are the perfect side dish to go with just about every meal. Made from sweet bell peppers, red and yellow onions, a touch of olive oil and flavorful herbs and spices, this quick and easy vegetable recipe will add beautiful colors to you dinner plate.

And don’t even get me started on how healthy and nutritious they are. Just one serving of these veggies is filled with healthy fats, fiber and an impressive amount of vitamin C!

Besides the typical salt and pepper seasoning in most peppers and onions recipes, I’ve added in some red pepper flakes and dried oregano for extra flavor.

The end result isn’t spicy at all, so don’t worry if you’re sensitive to spicy foods. If you prefer a little spice, I recommend doubling the amount of red pepper flakes.

How to make sauteed peppers and onions

Slice 4 bell peppers, 1 red onion and 1 yellow onion into strips. (photo 1)

Add them into a large nonstick skillet over medium-high heat along with 2 tablespoons of olive oil. (photo 2)

Step by step process for how to make sauteed peppers and onions.

Add in the salt, black pepper, red pepper flakes and dried oregano. (photo 3)

Stir everything together and cook for 15-17 minutes, until the veggies are softened and caramelized. Add in 1 tablespoon of red wine vinegar, 1 teaspoon of minced garlic and cook for 1 more minute. (photo 4)

Step by step process for how to make peppers and onions.

Remove from heat and serve.

Tips and Tricks for the best peppers and onions

If the peppers and onions are starting to burn, turn down the heat on your stovetop just a little and adjust from there. We want caramelized peppers and onions, not burned peppers and onions.

If you’re not using a non-stick skillet, you may need to add in a little more olive oil. The veggies shouldn’t really stick to the bottom of the skillet, so add in more olive oil if needed.

Make sure to add in the minced garlic at the end so it doesn’t burn. If you add it in the beginning with all the seasonings, it’ll burn and that’s no bueno!

Sauteed peppers and onions in a black nonstick skillet.

Ways to use Sauteed Peppers and Onions

Looking for different ways to eat these veggies throughout the week? Here are some of my favorite ideas!

4.69 from 87 votes

Sauteed Peppers and Onions

Deliciously caramelized sauteed peppers and onions are a crowd-pleasing side dish for just about any meal! Made with herbs, seasonings and a splash of red wine vinegar. (gluten free, paleo, vegetarian, vegan)
Prep: 10 minutes
Cook: 18 minutes
Total: 28 minutes
Servings: 4 servings
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Ingredients 

  • 2 tablespoons olive oil
  • 4 medium bell peppers, sliced into long strips
  • 1 medium red onion, sliced
  • 1 medium yellow onion, sliced
  • 1 teaspoon kosher salt
  • 1/2 teaspoon red pepper flakes
  • 1/4 teaspoon freshly ground black pepper
  • 1/4 teaspoon dried oregano
  • 1 tablespoon red wine vinegar
  • 1 teaspoon minced garlic (about 2 cloves)

Instructions 

  • Heat a large nonstick skillet over medium-high heat. Add in olive oil, sliced bell peppers and sliced red and yellow onions.
  • Add in the salt, red pepper flakes, black pepper and dried oregano.
  • Stir to coat the vegetables with the olive oil and seasonings. Cook, stirring occasionally, for 15-17 minutes until the peppers and onions have softened and started to caramelize.
  • Add in the red wine vinegar and minced garlic. Mix together and cook for 1 more minute. Taste and season with more salt if necessary.
  • Remove the peppers and onions from the heat and serve.

Notes

  • If the peppers and onions are starting to burn, turn down the heat on your stovetop just a little and adjust from there. We want caramelized peppers and onions, not burned peppers and onions.
  • If you’re not using a non-stick skillet, you may need to add in a little more olive oil. The veggies shouldn’t really stick to the bottom of the skillet, so add in more olive oil if needed.
  • Make sure to add in the minced garlic at the end so it doesn’t burn. If you add it in the beginning with all the seasonings, it’ll burn and that’s no bueno!

Nutrition

Serving: 1/4th of recipe | Calories: 109kcal | Carbohydrates: 12g | Protein: 2g | Fat: 7g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0g | Cholesterol: 0mg | Sodium: 403mg | Potassium: 297mg | Fiber: 3g | Sugar: 5g | Vitamin A: 600IU | Vitamin C: 184mg | Calcium: 150mg | Iron: 0.7mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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58 Comments

  1. Patricia says:

    5 stars
    I gotta tell you. Iโ€™m 54 years old and trying to โ€œspice upโ€ my menu. You know how you get used to a set of dishes and thatโ€™s all you make? Well I saw some colorful peppers and thought to buy some but didnโ€™t know what to do with them. I made a copycat Chipotle carnita dish and needed some fillers. These peppers were DIVINE!! The vinegar was the missing ingredient all these years. They keep a level of firmness, not just flavor. You GO GIRL! Thanks, Isabel. Iโ€™m making a second batch now and almost had a panic attack when I couldnโ€™t find this recipe. THANK HEAVENS FOR CHROME HISTORY!!!!! So here I go again. Made them first 2 weeks ago.

    1. Ana @ Isabel Eats says:

      Hi Patricia! Thank you so much for the feedback! We’re glad you enjoyed this recipe ๐Ÿ™‚

  2. Mary says:

    5 stars
    Great way to get your veggies as a side with Mexican food! Adding vinegar will dull the color of the peppers a bit so waiting til just before finished works. The vinegar gives the peppers a little boost that tastes great.

    1. Ana @ Isabel Eats says:

      Hi Mary! Thanks for the tip!

  3. Rhonda Lynch says:

    5 stars
    I made that tonight will oven baked pork chops…I used balsamic vinegar instead, but it turned out scrumptious! Thank you!

    1. Libby says:

      Thank you for writing about using balsamic vinegar. I was wondering if another vinegar could be used.

  4. Linda G says:

    5 stars
    Delicious!!!!!!!! Thank YOU!!

  5. Susan says:

    5 stars
    Thank you for the recipe. I made it to go with my chicken in a wrap. Delicious!

  6. Annette says:

    5 stars
    Peppers! Omg! Always looking for healthy recipes. Had them in a Wrap with some parmigiana chhese

  7. Robert Ferguson says:

    Made this tonight and it turned out great. Thanks for the recipe. Red wine vinegar was a nice touch.

  8. Anne-Marie says:

    Do you think I could use just balsamic vinegar if I donโ€™t have red wine? Or could I use a splash of regular white vinegar and then the balsamic?

    1. Ana @ Isabel Eats says:

      Hi Anne-Marie! Either one should work!

  9. Janice says:

    5 stars
    Thank you for sharing this recipe. So easy to prepare and really delicious.

  10. Melissa says:

    This was delicious and easy to make! I also added a dash of balsamic vinegar and it tasted a bit sweeter.