Vegan cauliflower casserole with mushrooms and breadcrumb topping
A baked vegan cauliflower casserole with sautéed mushrooms and onion, finished with a savory breadcrumb topping.
Prep: 25 min
Cook: 15 min
Total: 40 min
Yield: 6 servings
Published: September 17, 2026

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Ingredients
- cauliflower 1 head
- coconut oil 1 tablespoon
- white onion 0.5 cups
- mushroom 8 ounces
- vegan butter 5 tablespoons
- breadcrumbs 1 cup
- vegan parmesan 0.5 cups
- nutritional yeast 1 tablespoon
- dried parsley 1 teaspoon
- salt 1 teaspoon
- ground black pepper 0.25 teaspoons
Tools
- oven
- saucepan
- skillet
- bowl
- baking dish
- water
Instructions
- Preheat the oven to 175°C (350°F).
- Place the cauliflower florets in a saucepan, cover with water, bring to a boil, and cook until slightly tender.
- Drain the cauliflower and place it in a baking dish.
- Heat the coconut oil in a skillet over medium-high heat. Add the onion and mushrooms and sauté until softened.
- Spoon the mushroom mixture over the cauliflower in the baking dish.
- In a bowl, combine the melted vegan butter, bread crumbs, vegan parmesan cheese, nutritional yeast, dried parsley, salt, and ground black pepper. Stir well.
- Sprinkle the breadcrumb mixture over the vegetables in the baking dish.
- Bake until the topping is lightly browned and the casserole is heated through.
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