Vegan Baked Broccoli and Cauliflower Casserole

Vegan baked broccoli and cauliflower casserole with a creamy, dairy-free sauce. An easy, healthy plant-based dinner.

🧾 Ingredients

Vegetables

  • 3 cups broccoli florets
  • 3 cups cauliflower florets

Creamy Sauce

  • 1½ cups unsweetened plant-based milk
  • ¼ cup nutritional yeast
  • 2 tbsp olive oil or vegan butter
  • 2 tbsp all-purpose flour (or gluten-free flour)
  • 2 cloves garlic, minced
  • ½ tsp onion powder
  • ½ tsp paprika
  • ½ tsp salt
  • ¼ tsp black pepper

Optional Topping

  • ½ cup vegan shredded cheese
  • ¼ cup breadcrumbs or crushed crackers

👩‍🍳 Instructions

1️⃣ First, preheat the oven to 375°F (190°C) and lightly grease a casserole dish.

2️⃣ Next, steam the broccoli and cauliflower for 4–5 minutes until just tender. Drain well.

3️⃣ Meanwhile, heat olive oil in a saucepan over medium heat. Add garlic and sauté until fragrant.

4️⃣ Then, whisk in the flour and cook for 1 minute to form a roux.

5️⃣ After that, slowly whisk in plant-based milk until smooth and thickened.

6️⃣ Next, stir in nutritional yeast, onion powder, paprika, salt, and pepper.

7️⃣ Then, combine the steamed vegetables with the creamy sauce and transfer to the baking dish.

8️⃣ Afterward, sprinkle with vegan cheese and breadcrumbs if using.

9️⃣ Finally, bake uncovered for 25–30 minutes until bubbly and lightly golden.


💡 Tips & Variations

  • For extra creaminess, add cashew cream to the sauce.
  • Alternatively, use almond or oat milk for a richer flavor.
  • For gluten-free, swap flour and breadcrumbs with GF versions.
  • For added protein, mix in white beans or chickpeas.
  • Additionally, add herbs like thyme or rosemary for more flavor.

🌟 Benefits of Vegan Broccoli and Cauliflower Casserole

First, broccoli and cauliflower are rich in fiber and antioxidants.
Additionally, nutritional yeast provides B vitamins and cheesy flavor.
Moreover, this casserole is dairy-free and cholesterol-free.
Furthermore, baking requires less oil than stovetop cooking.
In addition, it’s ideal for meal prep and leftovers.
Finally, it offers comfort food with wholesome ingredients.


📊 Nutrition Facts (Per Serving – Approximate)

  • Calories: 240
  • Protein: 9g
  • Carbohydrates: 22g
  • Fiber: 6g
  • Fat: 13g
  • Saturated Fat: 2g
  • Sugar: 3g
  • Sodium: 420mg

🧒 Kid-Friendly Version

To make this casserole kid-friendly, reduce the garlic and paprika. Use extra vegan cheese for a familiar taste. Chop vegetables into smaller pieces and serve with pasta or rice for a comforting, kid-approved meal.