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Home » Recipes » Main Dish

Vegan Stuffed Pepper Casserole

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Modified: Jan 13, 2026 · Published: Jan 13, 2026 by Melissa · This post may contain affiliate links · Leave a Comment
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This Vegan Stuffed Pepper Casserole is made of lentils, rice, peppers and non dairy cheese for the flavors of traditional stuffed peppers with less work.

Overhead shot of a small plate of Vegan Stuffed Peppers Casserole. There is a small striped towel to the side of the plate. The serving dish with casserole is in the upper portion of the frame.

We love cozy, hearty meals like this Vegan Stuffed Pepper Casserole. It has all the flavors of the traditional dish without meat and dairy and you'll need less time to assemble. Traditional stuffed peppers are made with beef. To make our vegan version we use lentils, which are hearty, a great source of protein and full of fiber. Another great thing of this dish is it can be made all in pot if you have an oven safe skillet or dutch oven.

Looking for more one pot dishes? Try my Vegan Navy Bean Soup.

Jump to:
  • Ingredients
  • Substitutions & Variations
  • How to make Stuffed Pepper Casserole
  • Top Tip
  • Equipment
  • Storage
  • Related
  • Recipe

Ingredients

This casserole is made primarily with pantry ingredients making this a fairly inexpensive dish.

Overhead view of the ingredients needed to make Vegan Stuffed Peppers casserole.
  • bell peppers
  • lentils
  • long grain white rice
  • olive oil
  • tomato paste
  • fire roasted tomatoes
  • garlic powder
  • onion powder
  • oregano
  • smoked paprika
  • salt
  • vegetable broth
  • non dairy cheese

See recipe card for quantities.

Substitutions & Variations

  • Spicy - add cayenne pepper or red pepper flakes to give this dish some heat or chop up spicy peppers in addition to bell peppers.
  • Rice- you can use brown rice instead of white. Increase broth by ½ cup. Check if the rice is tender at 50 minutes. Bake longer, if needed.

How to make Stuffed Pepper Casserole

Stuffed Pepper Casserole is simple to make with little hands on time needed. If you are using dried lentils prepare ahead of time to keep cooking time down. Prep all ingredients before getting started as this recipe moves quickly. Start by removing seeds from peppers and chop into bite size pieces. Measure out spices, paste, broth etc. having everything ready to add when needed before you heat the pan.

Overhead view of tomatoes and peppers cooking in a skillet.

Heat oil over medium heat in a large skillet. Add peppers and sauté for 5-10 minutes until they begin to soften. Add spices, tomatoes and paste, cook for 1 minute longer.

Overhead close up of peppers, lentils and tomatoes cooking in a skillet.

Add lentils and broth stirring to incorporate.

Overhead close up of a skillet with peppers, lentil tomatoes with uncooked rice in the middle.

Add rice to skillet and stir to incorporate. Transfer mixture to a 9x13 oven safe dish, if skillet is not oven safe.

Close up of Stuffed Pepper Casserole with cheese topping before baking.

Top with non dairy cheese and cover with foil or lid. Bake at 375 degrees farenheight for 50 minutes. Remove foil and broil for 5 minutes to brown cheese, if desired.

Top Tip

Wash the rice. This helps to remove dirt and excess starch that can make the rice sticky. Washing the rice will yield a fluffier texture after cooking.

Equipment

An oven safe skillet makes this dish super easy to prepare without dirtying up excessive dishes. If you don't have an oven safe skillet you can transfer the mixture to a 9x13 casserole dish.

Storage

Store leftover casserole in an air tight container in the refrigerator. Good for 3-4 days.

Freezing is not recommended.

Related

Looking for other recipes like this? Try these:

  • TVP Chili Stuffed Sweet Potatoes Featured Image
    TVP Chili Stuffed Sweet Potatoes
  • Close up of Sesame Tofu Pasta Salad Feature Image
    Sesame Tofu Pasta Salad
  • Vegan Burger Bowl Feature Image
    Vegan Burger Bowl
  • Sun-dried Tomato and Spinach Spaghetti Feature Image
    Sun-dried Tomato Spinach Spaghetti

Did you make this recipe? Let me know what you think! Leave a review and rating in the comments below. This helps me continue to provide great recipes for you.

Recipe

Vegan Stuffed Pepper Casserole Feature Image

Stuffed Pepper Casserole

Melissa
This Vegan Stuffed Pepper Casserole is made of lentils, rice, peppers and non dairy cheese for the flavors of traditional stuffed peppers with less work.
Print Recipe Pin Recipe
Prep Time 20 minutes mins
Cook Time 1 hour hr
Course Dinner
Cuisine American
Servings 8

Equipment

  • 1 oven safe skillet OR 9x13 baking dish

Ingredients
  

  • 1 cup dry green lentils see note below to use canned lentils
  • 2 tablespoon olive oil
  • 2 bell peppers, seeds removed and chopped any color or combination of colors will work
  • 2 teaspoon dried oregano
  • 2 teaspoon smoked paprika
  • 2 teaspoon onion powder
  • 1 teaspoon salt add more if using unsalted vegetable broth
  • 2 garlic powder
  • 2 tablespoon tomato paste
  • 1 14 oz canned fire roasted diced tomatoes
  • 1 ½ cup vegetable broth
  • 1 cup long grain white rice washed
  • 1 cup non dairy cheese optional

Instructions
 

  • Wash the lentils and pick out any small rocks. Bring a pot of water to a boil, add lentils. Reduce to a simmer and cook until tender, stirring occasionally. Alternatively, you can use canned lentils to reduce overall cook time.
    1 cup dry green lentils
  • Heat oil over medium heat in a large oven proof skillet or dutch oven, if you have one. If you don't have either you can use a regular skillet. You will need an oven safe casserole dish to transfer the mixture before baking.
    2 tablespoon olive oil
  • Add peppers to skillet and sauté for 5-10 minutes until they begin to soften. Add spices, salt, garlic, diced tomatoes and tomato paste, cook for 1 minute longer.
    2 bell peppers, seeds removed and chopped, 2 teaspoon dried oregano, 2 teaspoon smoked paprika, 2 teaspoon onion powder, 1 teaspoon salt, 2 garlic powder, 2 tablespoon tomato paste, 1 14 oz canned fire roasted diced tomatoes
  • Add lentils and broth stirring to incorporate. Add rice to skillet and stir again.
    1 ½ cup vegetable broth, 1 cup long grain white rice
  • Transfer mixture to a 9x13 oven safe baking dish if your skillet is not oven safe.
  • Top with non dairy cheese and cover with foil or lid. Bake at 375 degrees farenheight for 50 minutes. Remove foil and broil for 5 minutes to brown cheese, if desired.
    1 cup non dairy cheese
  • Cool for 5-10 minutes before serving.

Notes

To use canned lentils for this recipe you will need a 2- 15 ounce cans. Measure out 2 ½ cups of the canned lentils to use for this recipe. Save any remaining lentils for another use. This will equal the cooked yield of 1 cup of dry lentils. 

More Main Dish

  • Cabbage Stir Fry with Tofu
  • Vegan Tomato Flatbread
  • Maple Dijon Roasted Vegetable Bowl
  • Charred Lemony Zucchini with Quinoa

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Recipe Rating




Hi, I'm Melissa!

Longtime vegan and mom of four little vegans. I share simple recipes our family loves and my tips for raising healthy, happy vegan kids.

About me

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