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Ultra Creamy Mushroom & Spinach Potato Bake

A rich and comforting potato bake layered with savory mushrooms, fresh spinach, and an ultra creamy sauce.
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Prep Time 20 minutes
Cook Time 1 hour 15 minutes
Total Time 1 hour 35 minutes
Course Dessert, Snack
Cuisine American, Autumn
Servings 6 servings
Calories 320 kcal

Equipment

  • Mixing bowls
  • Baking sheet
  • Wire rack
  • Hand mixer or stand mixer

Ingredients
  

Potato Bake

  • 2 lbs potatoes thinly sliced
  • 2 cups mushrooms sliced
  • 3 cups fresh spinach
  • 1.5 cups heavy cream
  • 0.5 cup milk
  • 1.5 cups grated cheese
  • 2 tbsp butter
  • 1 tbsp olive oil
  • 2 cloves garlic minced

Instructions
 

  • Preheat oven to 375°F (190°C) and grease a baking dish.
  • Sauté onions and mushrooms in butter and olive oil until browned.
  • Add garlic and spinach, cooking until spinach wilts.
  • Whisk cream, milk, salt, pepper, and nutmeg together.
  • Layer potatoes, mushroom mixture, cream sauce, and cheese in baking dish.
  • Cover and bake for 45 minutes.
  • Uncover and bake 25–30 minutes until golden and tender.
  • Rest 10 minutes before serving.

Notes

Let the bake rest before slicing for best texture.
Keyword creamy mushroom potato casserole, mushroom spinach potato bake, spinach mushroom gratin, ultra creamy potato bake, vegetarian potato bake