Vegan Cream of Mushroom Casserole

Are you tired of the same old side dishes at holiday gatherings? Looking for a delicious and satisfying vegan option that will please even the pickiest eaters? Look no further than this Vegan Cream of Mushroom Casserole recipe! Made with wholesome ingredients and bursting with flavor, this dish is sure to become a new family favorite. In this post, we will walk you through the steps to create this creamy and comforting casserole, perfect for any occasion. We will start by discussing the key ingredients needed, followed by a step-by-step guide to preparing and assembling the casserole. Finally, we will share tips for serving and storing leftovers, ensuring that you can enjoy this dish time and time again. Let’s get cooking!


  • 1 cup of vegan cream of mushroom soup
  • 2 cups of sliced mushrooms
  • 1 onion, diced
  • 2 cloves of garlic, minced
  • 1 cup of vegan sour cream
  • 1/2 cup of nutritional yeast
  • 1 teaspoon of thyme
  • Salt and pepper to taste
  • 2 cups of cooked rice
  • 1/2 cup of breadcrumbs
  • 2 tablespoons of vegan butter


  1. Preheat your oven to 350°F (180°C).
  2. In a large skillet, sauté the onions and garlic until they are translucent.
  3. Add the sliced mushrooms to the skillet and cook until they are browned.
  4. Stir in the vegan cream of mushroom soup, vegan sour cream, nutritional yeast, thyme, salt, and pepper.
  5. Let the mixture simmer for a few minutes until it thickens slightly.
  6. Remove the skillet from the heat and stir in the cooked rice.
  7. Transfer the mixture to a casserole dish.
  8. In a small bowl, melt the vegan butter and mix it with the breadcrumbs.
  9. Sprinkle the breadcrumb mixture over the top of the casserole.
  10. Bake the casserole in the preheated oven for 25-30 minutes, or until the top is golden brown.


This vegan cream of mushroom casserole is best served hot, straight out of the oven. It makes a delicious and comforting meal on its own, but you can also pair it with a side salad or some steamed vegetables for a complete and nutritious dinner.


Feel free to customize this recipe to suit your taste preferences. Here are some ideas for variations:

  • Add some vegan cheese to the breadcrumb topping for an extra cheesy flavor.
  • Replace the rice with quinoa or another grain for a different twist.
  • Throw in some chopped spinach or kale for added nutrition.
  • Experiment with different herbs and spices to create your own unique flavor profile.


This casserole can be stored in an airtight container in the refrigerator for up to 3 days. Simply reheat it in the oven or microwave before serving. You can also freeze the casserole for up to 3 months. Thaw it in the refrigerator overnight before reheating.


With its creamy mushroom sauce and hearty rice base, this vegan cream of mushroom casserole is sure to become a favorite in your household. It’s easy to make, customizable, and perfect for meal prep. Give it a try and enjoy a delicious and satisfying plant-based meal!