Grilled Peppers and Onion

Grilled peppers and onion are the perfect summer side dish! Fire up the grill for your main dish, and cook these on the side to make it a meal.

Grilled peppers and onion

Here’s how to make a summer meal in no time: grilled peppers and onion! Fire up your grill for the main event, and toss these babies on the side. These colorful veggies transform into the most incredibly flavorful side dish: they’re tender, charred, smoky, and sweet all at once. Peppers and onions are one of Alex and my absolutely favorite things to throw on the grill for summer meals. But we didn’t write down the recipe, until now! Here’s how to make this treat pairs well with all the grilled dinner ideas, be it salmon, shrimp, tacos or portobello burgers.

Ingredients for grilled peppers and onion

The great thing about grilled peppers and onion is: they taste incredible with almost no seasonings! You need no fancy spice blends for this one. Just good old salt! Here’s what you’ll need:

  • 3 bell peppers: we like using multi-colored for a splash of color
  • Red onion
  • Olive oil
  • Kosher salt
Grill basket

How to make grilled bell peppers and onion: in a grill basket

You’ll need a grill basket (or aluminum foil) for this method. Why? The onion in particular is so thin that it tends to fall through the grates if you place it on them directly. A grill basket keeps all the veggies together and heats them evenly. Here are some tips on how to do it (or go right to the recipe):

  • Make sure to preheat the grill basket on the grill!
  • Slice the peppers and onion into thick strips: about 1 1/2 inches thick. Mix with olive oil to coat and salt.
  • Grill about 10 to 15 minutes, until the veggies are charred and tender. Toss them a few times to ensure even cooking. That’s it!

Use aluminum foil if you don’t have a grill basket!

Don’t have a grill basket? No problem. Here’s the grill basket we use, if you’d in the market for one. Or you can make a make-shift grill basket out of aluminum foil! Here’s what to do:

  • Fold a large piece of aluminum foil in half and prick several holes in it with a fork.
  • Fold up a 1-inch rim around the edge to make a makeshift tray. This isn’t required, but it’s helpful to keep all the veggies in the tray. Then you can use it like you would a grill basket!
Grilled peppers

Variations on grilled peppers and onion

You can vary up the seasonings on these grilled peppers and onion as much as you’d like! They’re beautifully sweet and tender without extra seasoning. But there are endless variations! Here are some ideas:

  • Cumin and lime. Add a hint of cumin before grilling (1/4 teaspoon), then spritz with fresh lime juice.
  • Taco seasoning or fajita seasoning. Make them fit for a Mexican-style feast.
  • Cajun seasoning. Love heat? Sprinkle with a little Cajun seasoning before or after grilling.
  • Old Bay. Add big flavor with a little shake of Old Bay seasoning.
Grilled peppers and onion

Ways to make them into a meal

Grilled peppers and onions often make an appearance on our patio in the summer months! Often it’s as part of a random assortment of grilled items. But if we’re entertaining, here are some meals we might pair it with:

This grilled peppers and onion recipe is…

Vegetarian, vegan, plant-based, dairy-free, and gluten-free.

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Grilled peppers and onion

Grilled Peppers and Onion


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  • Author: Sonja Overhiser
  • Prep Time: 5 minutes
  • Cook Time: 15 minutes
  • Total Time: 20 minutes
  • Yield: 4 1x
  • Diet: Vegan

Description

Grilled peppers and onion are the perfect summer side dish! Fire up the grill for your main dish, and cook these on the side to make it a meal.


Scale

Ingredients

  • 3 multi-colored bell peppers
  • 1 medium red onion
  • 1 tablespoon olive oil
  • 1/4 teaspoon kosher salt

Instructions

  1. Preheat a grill to medium-high heat (375 to 450 degrees). If using the grill basket, place it on the grill while preheating. Or, fold a large piece of aluminum foil in half and prick several holes in it with a fork, then fold up a 1-inch rim around the edge to make a makeshift tray.
  2. Cut the peppers into 1 1/2-inch wide strips. Cut the onion into wide strips and separate the layers with your fingers. Place them in a bowl and mix with the olive oil and kosher salt.
  3. Grill in the grill basket or on the foil tray for 15 to 20 minutes until tender, turning the vegetables a few times to ensure even cooking.

  • Category: Side Dish
  • Method: Grilled
  • Cuisine: Vegetables

Keywords: Grilled peppers and onion

More grilled vegetables

Grilled vegetables are our go-to easy side dishes in the summer! Here are some of our other favorites:

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About the Authors

Sonja Overhiser

Cookbook Author and writer

Sonja Overhiser is author of Pretty Simple Cooking, named one of the best healthy cookbooks of 2018. She’s host of the food podcast Small Bites and founder of the food blog A Couple Cooks. Featured from the TODAY Show to Bon Appetit, Sonja seeks to inspire adventurous eating to make the world a better place one bite at a time.

Alex Overhiser

Cookbook Author and photographer

Alex Overhiser is an acclaimed food photographer and author based in Indianapolis. He’s host of the food podcast Small Bites and founder of the recipe website A Couple Cooks. Featured from the TODAY Show to Bon Appetit, Alex is author of Pretty Simple Cooking, named one of the best vegetarian cookbooks by Epicurious.

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