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Keto Zucchini and Mushroom Casserole

Emily Carter
A rich, creamy vegan casserole packed with zucchini, mushrooms, and bold flavor — all while keeping your carbs (and conscience) clean.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 6 servings
Calories 195 kcal

Ingredients
  

  • 3 medium zucchinis sliced into half-moons
  • 1 tablespoon olive oil
  • 1 small onion finely chopped
  • 3 garlic cloves minced
  • 2 cups mushrooms sliced (cremini or button)
  • 1 cup dairy-free cream like cashew or oat-based
  • ½ cup vegan cheese shredded, optional but delicious
  • 2 tablespoons nutritional yeast
  • 1 teaspoon thyme dried
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • Fresh parsley for garnish (because aesthetics matter)

Instructions
 

  • Preheat oven to 375°F (190°C).
  • Heat olive oil in a skillet over medium heat.
  • Add onion and garlic. Cook 3–4 minutes until soft and aromatic.
  • Toss in mushrooms. Sauté for 5–7 minutes until they release moisture and start browning.
  • Add zucchini and sauté for 3 more minutes until just tender.
  • Stir in dairy-free cream, nutritional yeast, thyme, salt, and pepper. Simmer 2–3 minutes.
  • Pour mixture into a casserole dish and smooth out the top.
  • Sprinkle with vegan cheese if using (you know you want to).
  • Bake uncovered for 30 minutes until bubbly and golden on top.
  • Garnish with fresh parsley and serve hot.

Notes

Nutritional Values (Per Serving)

  • Calories: 195
  • Total Fat: 13g
  • Saturated Fat: 3g
  • Carbohydrates: 10g
  • Fiber: 3g
  • Protein: 7g

Vitamins & Minerals (Per Serving)

  • Vitamin A: 18%
  • Iron: 16%
  • Calcium: 12%
  • Vitamin C: 14%
  • Magnesium: 10%

Extra Notes & Tips

  • Salt your zucchini slices first and blot excess moisture for a firmer texture.
  • Add a splash of lemon juice to the cream for extra brightness.
  • Swap mushrooms for eggplant if you’re in a rebellious mood.
  • Add crushed red pepper if you're feeling spicy.
  • Leftovers reheat like a dream — meal prep MVP status.