This rich comforting Vegan Grilled Cheese with Caramelized Onions and Red Pepper is loaded with sweet and savory flavors.
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"SO DELICIOUS! I’m officially obsessed with this recipe! I used “Follow Your Heart” American cheese and it tasted so yummy with the onions and peppers! Thank you so much for this recipe! - Trixie"
If you have been following me for a while you may have noticed that I am a little obsessed with caramelized onions. One of my favorite ways to use them is in a dip, but I also love them in pasta, vegan tofu quiche, and mushroom sliders.
So today I decided to make Vegan Grilled Cheese with Caramelized Onions and Red Pepper. There is something about caramelized onions that takes everything to a whole new level.
They add a sweet, rich taste to whatever you put them in. If you are looking to take your vegan grilled cheese up a notch, caramelized onions are the way to go.
Some roasted red pepper recipes to try are my Roasted Pepper Tapenade, Onion and Roasted Red Pepper Focaccia Sandwich, and Tofu Ricotta and Red Pepper Dip. A caramelized onion recipe to try is my Onion Fritters recipe.
Other grilled cheese recipes to try are my Vegan Mushroom and Onion Grilled Cheese, Vegan Pesto Cheese Sandwich, and my Vegan Pizza Grilled Cheese recipe.
Maple Mustard Tofu is also good in a sandwich.
Jump to:
❤️ Why You'll Love It
- It is rich and comforting.
- It's better than plain old grilled cheese. The caramelized onions and red pepper elevate the grilled cheese to another level.
- It is an easy weeknight meal.
🧾 Ingredients
- Onions: Yellow onion, sweet onion, or white onion all work.
- Olive oil: To cook the onion and red pepper.
- Salt: Enhances flavors. I like to use sea salt.
- Balsamic vinegar: I like to add a splash of balsamic vinegar to sweeten the onion. You could also use a sprinkle of sugar or brown sugar or leave it out.
- Red bell pepper: Adds sweetness.
- Vegan cheddar: My favorite brands of vegan cheddar are Daiya or Follow Your Heart.
- Vegan mayo: Adds a rich flavor. You could also use vegan butter.
- Bread: My latest favorite is a gluten-free sourdough bread. Use your favorite bread.
To see the full list of ingredients with measurements and instructions, see the recipe card at the bottom of this post.
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🔪 Instructions
Step 1: Add olive oil and sliced onions to a large pan. Cook over medium heat. Stir them every few minutes.
With caramelized onions, it's all about slow and steady. If the onions start to stick, add a little water, like a quarter of a cup or so.
Step 2: Cook sliced onions in a pan until caramelized. Add brown sugar or balsamic vinegar to the frying pan near the end of cooking time to add flavor.
Step 3: Add chopped red pepper and cook until softened.
Step 4: Layer caramelized onions, red pepper, and vegan cheddar cheese on bread.
Step 4: Spread vegan mayo on the outside of the bread. Place in a frying pan.
Step 5: Cook the vegan grilled cheese on both sides until golden brown.
💭 Tips
- When making caramelized onion, slow and steady wins the race. For caramelized onions, you need some patience. It takes a good 20 minutes to get nicely browned onions - longer if you're using more onions.
- If they take start to stick add a little water, like a quarter of a cup or so.
- Balsamic vinegar adds a wonderful flavor. I always add a couple of splashes near or at the end of the cooking time.
🍽 Serving
- Vegan Tomato Soup with Tomato Paste
- Vegan Peanut Stew
- Vegan Black Bean Soup recipe
- 3 Ingredient Chili
👩🏻🍳 Recipe FAQs
This vegan grilled cheese is made with vegan cheddar, vegan mayo, and gluten-free bread. It has the addition of caramelized onions and red pepper.
For this vegan grilled cheese, I like to cook it in vegan mayo or vegan butter. Vegan mayo adds a rich flavor.
🥪 Other Vegan Sandwiches
If you tried this Vegan Grilled Cheese with Caramelized Onions and Red Pepper Recipe or any other recipe on my website, please leave a ⭐️ star rating and let me know how you like it in the 💬 comments below. I love hearing from you!
Take your vegan grilled cheese to the next level by adding caramelized onion and red pepper!
*This post was originally published on November 27, 2015. I updated the photos and added text.
📋 Recipe
Vegan Grilled Cheese with Caramelized Onions and Red Pepper
Ingredients
- 4 slices gluten free bread
- ½ a medium onion sliced
- 2 tablespoons olive oil
- Salt
- Splash of balsamic vinegar optional
- ½ cup chopped red pepper
- 4 slices vegan cheddar or ½ cup grated
- 4 teaspoons vegan mayo or Earth Balance
Instructions
- Heat olive oil in pan at medium heat and add sliced onion. Add salt.
- Stir the onions every five minutes or so. Cook for about 20 minutes.
- Add a small amount of balsamic vinegar to deglaze the pan.
- Add red pepper and cook until softened.
- Layer vegan cheddar, caramelized onion, and red pepper on a slice of bread. Top with other slice of bread.
- Spread 1 teaspoon of vegan mayo on the outside of one of the slices of bread. Place face down in a hot pan. While the grilled cheese is cooking over medium heat, spread the other teaspoon of vegan mayo on the other piece of bread (the side facing you).
- Cook until golden brown on both sides. Repeat with the other sandwich.
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Nutrition
*Note: Nutrition information should be considered an estimate only. Different nutrition calculators give you different results.
lanna says
Hi Willow, I love your recipes and have tried several. I'm wondering if you've tried Organic Melt? I prefer it, but wonder if it is as healthy as your choice of Earth Balance. Thank you Lanna
Willow Moon says
Hi Lanna, thank you! No I haven't tried it yet. It looks like it has similar ingredients to Earth Balance, but I'd love to try them side by side.
Trixie Klein says
SO DELICIOUS! I’m officially obsessed with this recipe! I used “Follow Your Heart” American cheese and it tasted so yummy with the onions and peppers! Thank you so much for this recipe!
Willow Moon says
Thanks Trixie, I’m so glad you liked it!