Potato Spinach Mushroom Casserole Recipe

This comforting and delicious Potato, Spinach, and Mushroom Casserole is the perfect weeknight meal or holiday side dish. Layers of tender potatoes, earthy mushrooms, and wilted spinach are topped with creamy ricotta and melted cheese. Easy to follow instructions make this recipe perfect for home cooks of all levels!

Prep Time 30 mins
Cook Time 85 mins
Calories 562.5 kcal
Protein 52g
Rating 5.0 (1 Reviews)
Potato Spinach Mushroom Casserole 33

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Recipe Author

Chef Forktionary, author of this recipe

Recipe adapted from Food.com. Standardized by Forktionary.

Ingredients for Potato Spinach Mushroom Casserole

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How to Make Potato Spinach Mushroom Casserole

  1. Preheat oven to 400°F (200°C). Grease a 13x9 inch baking pan and set aside.
  2. Scrub potatoes thoroughly under cold water. Do not peel.
  3. Cut potatoes lengthwise into 1/4-inch thick slices.
  4. In a large bowl, toss potatoes with 4 tablespoons olive oil, minced garlic, salt, and pepper.
  5. Arrange potato slices in a single layer on two large baking sheets. Try not to overlap.
  6. Cover baking sheets tightly with aluminum foil and bake for 30 minutes.
  7. While potatoes are baking, heat the remaining 2 tablespoons olive oil in a large pot over medium heat.
  8. Add chopped onions and cook until softened, about 5 minutes.
  9. Add sliced mushrooms and cook until they release their juices and begin to brown, about 5-7 minutes.
  10. Stir in chopped spinach, salt, and pepper. Cover and cook until spinach wilts, about 3-5 minutes.
  11. Uncover and cook for a few more minutes to evaporate excess liquid.
  12. Remove pot from heat and stir in ricotta cheese.
  13. Once potatoes are baked, remove from oven and let cool slightly.
  14. Layer 1/3 of the potatoes in the prepared baking pan.
  15. Spoon 1/2 of the spinach mixture over the potatoes and sprinkle with 1/3 of the mozzarella cheese.
  16. Repeat layers with another 1/3 of potatoes, remaining spinach mixture, and another 1/3 of the cheese.
  17. Top with remaining potatoes and sprinkle with the rest of the cheese.
  18. Bake uncovered until the casserole is golden brown and bubbly, approximately 25-30 minutes.
  19. Remove from oven and let stand for 5 minutes before slicing and serving.

Nutrition Information (Approximate per serving)

Sodium

35 g

Sugar

16g

Fat

71g

Carbs

13g