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Eating Works » Recipe Archive » Salads » Gluten Free Roasted Peppers and Onions Recipe

Gluten Free Roasted Peppers and Onions Recipe

March 23, 2023 · Maren Epstein · Leave a Comment

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If you’re looking for a delicious and easy recipe that will add some extra flavor and nutrition to your meals, look no further than roasted peppers and onions. These are the tastiest roasted peppers and onions you’ll ever make. Instead of baking them all together the onions are caramelized to perfection then tossed with fire roasted bell peppers and a light herbal Italian dressing.

roasted peppers and onions in a white bowl

This recipe is simple to make and can be used in a variety of ways, from topping sandwiches and salads to serving as a tasty side dish. In this post, we’ll explore why you’ll love this recipe, the health benefits of roasted peppers, how to make them, and some tips for storing and serving.

This post may contain affiliate links. As an Amazon Associate I earnfrom qualifying purchases at no cost to you. See my Affiliate Disclosure to read my policy and more about affiliate links.

  • Why You’ll This Love Roasted Peppers and Onions Recipe
  • Are Roasted Peppers Good For You?
  • Can You Freeze Roasted Peppers and Onions?
  • Ingredients for Roasted Peppers and Onions
  • How to Make Roasted Peppers and Onions
  • How Long Does it Take to Roast Bell Peppers at 400?
  • How Do You Roast Peppers Without Getting Soggy?
  • Do You Cook Onions or Peppers First?
  • What Takes Longer to Cook, Peppers or Onions?
  • How to Serve Roasted Peppers and Onions
  • Can you Make Roasted Peppers and Onions Ahead?
  • Are Roasted Peppers and Onions Keto Friendly?
  • Are Roasted Peppers and Onions Gluten Free?
  • How Long Do Roasted Onions and Peppers Last in the Fridge?
  • More Roasted Pepper Recipes
    • Roasted Red Pepper Salsa
    • Vegan Roasted Pepper Sauce
    • Italian Roasted Peppers Recipe

Why You’ll This Love Roasted Peppers and Onions Recipe

One of the best things about roasted peppers and onions is their versatility. They can be used in so many different ways, from adding a pop of flavor to a sandwich to serving as a side dish alongside your favorite protein.

Roasting the vegetables brings out their natural sweetness, and the combination of peppers and onions adds a depth of flavor that’s hard to beat. Plus, this recipe is simple to make and requires just a few basic ingredients.

These roasted peppers and onions are:

  • Gluten-Free
  • Keto Friendly
  • Vegan
  • Vegetarian Friendly
  • Paleo
  • Nut Free
  • Soy Free
  • Low Carb
roasted peppers and onions in a bowl being picked up with a fork

Are Roasted Peppers Good For You?

Yes! Roasting peppers can actually increase their nutritional value. Peppers are a great source of vitamin C, vitamin A, and potassium. Roasting them can help break down the cell walls, making these nutrients more accessible to your body. Peppers are also low in calories and high in fiber.

Keep in mind that peppers are a nightshade vegetable. If you have an autoimmune disease like psoriasis, eating nightshades like peppers can aggravate symptoms.

Can You Freeze Roasted Peppers and Onions?

Yes you can freeze roasted peppers and onions in a freezer safe ziplock bag. They will last for up to three months in the fridge. To reheat them place the frozen peppers and onions in the fridge for 24 hours. Once they thaw out you can reheat them in the microwave for 1 minute or on the stovetop by gently stirring them over low heat.

Ingredients for Roasted Peppers and Onions

Here’s what you’ll need to make roasted peppers and onions:

  • Bell Peppers 
  • White Onion
  • Olive Oil 
  • Italian Seasoning
  • Garlic minced
ingredients for roasted peppers and onions recipe Italian seasoning, onions, bell peppers, garlic, olive oil and salt.

How to Make Roasted Peppers and Onions

  • Step 1: Turn on the broiler. Broil the peppers for 5 minutes on each side until they are black. Once blackened place the peppers inside a bowl covered with paper towels for 10 minutes.
  • Step 2: While the peppers are steaming. Heat oil in a pan slice the onions into thin strips and saute them over medium heat until they’re caramelized (20 minutes)
  • Step 3: Rub the pepper skins with paper towels to remove them. Slice the peppers into thin strips and combine them with the olive oil, garlic, caramelized onions and Italian seasoning. Enjoy.
process photos showing how to roast peppers and peel the skin for this roasted pepper and onions recipe
process photos showing how caramelize onions for this roasted pepper and onions recipe

How Long Does it Take to Roast Bell Peppers at 400?

Roasting bell peppers at 400°F typically takes around 25-30 minutes. Keep an eye on them and stir occasionally to ensure they cook evenly. The side of the peppers that is resting on the tinfoil will brown a lot faster then the exposed side. So even if the peppers don’t look cooked it’s important to flip them.

How Do You Roast Peppers Without Getting Soggy?

To roast peppers without getting soggy, make sure to remove the seeds and stem before slicing them. This will help the peppers cook evenly and prevent them from becoming too moist. Also, be sure to spread the peppers out evenly in a single layer on the baking sheet and avoid overcrowding.

Do You Cook Onions or Peppers First?

You can cook the onions and peppers at the same time. The onions take longer to cook because they need to caramelize on the stovetop. You can’t rush this process or you’ll just end up with burnt onions instead of sweet brown onions.

Since the onions take so long to cook I recommend starting them first. While the onions are cooking you can broil, steam and peel the roasted peppers. That way the onions and peppers will be ready at the same time.

While you’re tending to your peppers don’t forget to stir the onions every few minutes.

What Takes Longer to Cook, Peppers or Onions?

Typically onions cook a lot faster than peppers because they’re thinner and contain more water. However, in this recipe the onions take longer to cook than the peppers. Most peppers and onions recipes have you cook them both at the same time on a sheet pan.

While this is easier, the onions can easily burn before the peppers are done cooking. Not to mention that the onions don’t taste as good when roasted in the oven as they do when they are caramelized slowly on the stove top.

How to Serve Roasted Peppers and Onions

Roasted peppers and onions can be served by themselves as a warm appetizer salad. Or you can use them to flavor other dishes like salads, soups, pasta dishes, frittatas and more.

Can you Make Roasted Peppers and Onions Ahead?

Yes you can make roasted peppers and onions up to three days ahead of time. If anything, making the roasted peppers and onions ahead will help their flavor. The longer the peppers and onions marinate in the dressing the more intense their flavor will be.

You can serve these roasted peppers and onions hot or cold. If you make them ahead and want to serve them hot, simply reheat them in the microwave for 1 minute.

Are Roasted Peppers and Onions Keto Friendly?

Yes roasted peppers and onions are keto friendly and low carb. Onions and peppers are naturally low in carbohydrates and have zero net carbs. You can enjoy lots of roasted peppers and onions. There are natural sugars in the roasted peppers and onions but the amounts are negligible (only 2 grams of sugar per serving).

Are Roasted Peppers and Onions Gluten Free?

Yes this recipe for roasted peppers and onions is gluten free. Most roasted peppers and onions recipes are gluten free. Some people add bread crumbs to their roasted peppers and onions. Always ask the chef for a list of ingredients to make sure you can eat roasted peppers and onions if you have celiac disease or are gluten intolerant.

How Long Do Roasted Onions and Peppers Last in the Fridge?

Roasted peppers and onions will last for up to five days in the fridge if stored in an airtight container. Make sure to use clean spoons to scoop out the peppers and onions to avoid cross contamination. Cross contamination will cause the food to rot faster.

More Roasted Pepper Recipes

When bell peppers are in season you can never think of enough creative ways to use them in your day to day cooking. Here are a few more roasted pepper recipes you’re sure to enjoy!

Roasted Red Pepper Salsa

pin for roasted pepper salsa recipe
Roasted Pepper Salsa
The Best Roasted Pepper Salsa! This restaurant style salsa is one of my favorite homemade chunky salsa recipes. With only four ingredients you can have this dip done in ten minutes. This salsa takes ten minutes to make and it’s Vegan and Gluten Free.
Check out this recipe
roasted pepper salsa in a bowl with chips

Vegan Roasted Pepper Sauce

a jar of vegan roasted red pepper sauce on a white plate with vegetables
Vegan Roasted Red Pepper Sauce
Tired of plain old tomato sauce? This roasted red pepper sauce is the perfect swap! You can use it in pasta dishes, baked vegetables, eggplant parm and more! It's easy to make with only 9 ingredients. Make it ahead on the weekend for quick weeknight family meals!
Check out this recipe
vegan roasted red pepper sauce in a jar

Italian Roasted Peppers Recipe

Italian roasted peppers recipe in a white bowl
Italian Roasted Peppers Recipe
These Italian Roasted peppers recipe brings out their natural sweetness, and the process makes them soft and tender, making them perfect for adding to your favorite recipes.
Check out this recipe
Roasted peppers and onions on a fork
Roasted peppers and onions on a fork

Roasted Peppers and Onions Recipe

These are the tastiest roasted peppers and onions you'll ever make. Instead of baking them all together the onions are caramelized to perfection then tossed with fire roasted bell peppers and a light herbal Italian dressing.
5 from 2 votes
Print Pin Rate
Prep Time: 5 minutes minutes
Cook Time: 30 minutes minutes
Total Time: 35 minutes minutes
Servings: 10 2 tbsp servings
Calories: 61kcal
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Ingredients

  • 3-5 Bell Peppers
  • 1/2 White Onion
  • 1/4 C Olive Oil
  • 1 Tbsp Italian Seasoning
  • 1 tsp Garlic minced

Instructions

  • Turn on the broiler. Broil the peppers for 5 minutes on each side until they are black. Once blackened place the peppers inside a bowl covered with paper towels for 10 minutes.
  • While the peppers are steaming. Heat oil in a pan slice the onions into thin strips and saute them over medium heat until they’re caramelized (20 minutes)
  • Rub the pepper skins with paper towels to remove them. Slice the peppers into thin strips and combine them with the olive oil, garlic, caramelized onions and Italian seasoning. Enjoy.

Nutrition

Serving: 2tbsp | Calories: 61kcal | Carbohydrates: 3g | Protein: 0.5g | Fat: 6g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Sodium: 2mg | Potassium: 91mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1126IU | Vitamin C: 46mg | Calcium: 12mg | Iron: 0.4mg
Tried this recipe?Follow me @eatingworks or tag #eatingworks – show me what your cooking!

Appetizers, Gluten Free Recipes, Nut Free, Paleo, Salads, Soy Free Recipes, Vegan Recipes, Vegetarian

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