Mushroom and Spinach Shepherd's Pie

Name: Mushroom and Spinach Shepherd's Pie
Prep time: 30 min
Cook time: 40 min
Total time: 1 h 10 min
Yield: 6 servings
Ingredients: 2 cups mushrooms, chopped; 2 cups fresh spinach, chopped; 1 onion, diced; 2 cloves garlic, minced; 2 tablespoons olive oil; 1 teaspoon thyme; 1 tablespoon soy sauce; Salt and pepper to taste; 4 large potatoes, peeled and cubed; 1/2 cup milk; 4 tablespoons butter; Salt and pepper to taste; 1/4 teaspoon nutmeg (optional)

Highlighted under: Warm Plate Recipes Quick Comfort

I absolutely love whipping up this Mushroom and Spinach Shepherd's Pie, especially when I want something hearty and comforting. The combination of earthy mushrooms and fresh spinach creates a wonderful medley of flavors that feels both rustic and satisfying. Plus, the creamy mashed potato topping adds the perfect finishing touch! This dish is not only delicious but also a great way to incorporate more vegetables into your meal. Let's dive in and savor this delightful recipe together!

Created by

Rafael

Last updated on 2026-02-01T14:38:28.319Z

When I first tried making a shepherd's pie with mushrooms and spinach, I wanted to create a vegetarian twist on the classic dish. I found that the umami flavor of mushrooms combined beautifully with the vibrant green of spinach, resulting in a rich, satisfying filling.

One tip I learned is to sauté the mushrooms until they release all their moisture; this ensures the filling isn’t watery. I also love adding a sprinkle of nutmeg to the mashed potatoes for an unexpected flavor boost. Trust me, it's a game-changer!

Why You'll Love This Recipe
Hearty, satisfying filling with a burst of freshness
Creamy mashed potato topping that's simply irresistible
Perfect for meal prep and leftovers
Nutritious and packed with flavor

Understanding the Ingredients

The star ingredients in this Mushroom and Spinach Shepherd's Pie are the mushrooms and spinach, both of which contribute essential flavors and textures. Mushrooms, particularly varieties like cremini or shiitake, offer an earthy depth that complements the dish beautifully. When sautéed, they release moisture, which adds a savory element to the filling. Spinach, on the other hand, brings a fresh, vibrant note and excellent nutrition, creating a perfect balance that enhances the overall dish without overpowering it.

The onion and garlic serve as a flavor base and should be sautéed until the onion is translucent, enhancing their sweetness. A good tip is to use a sharp knife for dicing, as this will make the process faster and safer. The soy sauce incorporates umami, emphasizing the flavor profile of the mushrooms. If you prefer a gluten-free version, you can substitute tamari for soy sauce without sacrificing taste.

Perfecting the Mashed Potatoes

Creating the ideal mashed potato topping is crucial for this dish. When choosing potatoes, opt for starchy varieties like Russets or Yukon Gold, as they create a creamy texture. Boil them until fork-tender, about 15 minutes, but be careful not to overcook them, as this can make them waterlogged. After mashing, ensure you incorporate the milk and butter while they are still warm to achieve a smooth consistency. A hand mixer can help achieve extra fluffiness if you prefer.

If you're looking to spice up your mashed potatoes, consider blending in some garlic powder or finely grated Parmesan cheese for extra flavor. Alternatively, you can use non-dairy milk and vegan butter for a plant-based option while still maintaining that rich, creamy taste. Remember, the nutmeg is optional but can add a warm, comforting note that pairs wonderfully with the filling.

Assembly and Baking Tips

Assembling the pie correctly is key to achieving the right texture. When layering the filling, make sure it is evenly distributed in the pie dish, allowing every bite to have that hearty mushroom and spinach combination. When spreading the mashed potatoes on top, use a spatula for a smooth finish, or a fork to create texture that will crisp up beautifully in the oven. If you want to remove excess moisture from the filling, allowing it to cool slightly before layering can prevent a soggy pie.

Baking at 400°F (200°C) for about 25 minutes will give you a lovely golden top. Keep an eye on it during the final minutes; if it starts to brown too quickly, you can cover it loosely with foil to prevent burning. After removing it from the oven, letting the pie rest for five minutes before serving gives the filling time to settle, making it easier to portion out.

Ingredients

For the Filling

2 cups mushrooms, chopped
2 cups fresh spinach, chopped
1 onion, diced
2 cloves garlic, minced
2 tablespoons olive oil
1 teaspoon thyme
1 tablespoon soy sauce
Salt and pepper to taste

For the Mashed Potatoes

4 large potatoes, peeled and cubed
1/2 cup milk
4 tablespoons butter
Salt and pepper to taste
1/4 teaspoon nutmeg (optional)

Cooking Instructions

Prepare the Filling

In a large skillet, heat the olive oil over medium heat. Add the diced onion and garlic, sautéing until translucent. Then, add the chopped mushrooms and cook until they've released their moisture. Stir in the spinach, thyme, soy sauce, salt, and pepper. Cook until the spinach is wilted, then remove from heat.

Make the Mashed Potatoes

While the filling cools, boil the peeled and cubed potatoes in salted water until tender, about 15 minutes. Drain and return to the pot. Add milk, butter, salt, pepper, and nutmeg. Mash until smooth and fluffy.

Assemble the Pie

Preheat your oven to 400°F (200°C). In a pie dish, layer the mushroom and spinach filling, then spread the mashed potatoes on top, smoothing out the surface. Use a fork to create peaks on the potatoes for extra crispiness.

Bake

Bake in the preheated oven for 25 minutes, or until the top is golden brown. Let it cool for 5 minutes before serving.

Pro Tips

For an extra layer of flavor, consider adding a splash of balsamic vinegar to the filling. It enhances the mushrooms' earthy taste and elevates the dish even more.

Serving Suggestions

This Mushroom and Spinach Shepherd's Pie pairs beautifully with a simple green salad or steamed vegetables for added freshness. You can dress the salad lightly with vinaigrette to balance the richness of the pie. For a heartier meal, serve it alongside crusty bread to soak up any leftover juices, making each bite enjoyable.

If you want to elevate your meal, consider serving it with a dollop of sour cream or a sprinkle of fresh herbs like parsley or chives for an aromatic touch. You could also offer a side of pickled vegetables, which can add a delightful tangy contrast to the comforting pie.

Make-Ahead and Storage

Preparing this dish ahead of time is a great time-saver! You can make the filling and mashed potatoes separately, then store them in the refrigerator for up to two days before assembling and baking. This way, the flavors can meld beautifully. Just be sure to let the filling cool to room temperature before storing to avoid excess moisture buildup.

If you want to freeze it, completely assemble the pie, then cover it tightly with plastic wrap and foil. It can be stored in the freezer for up to three months. When you’re ready to enjoy, bake from frozen, increasing the baking time to about 40-50 minutes, ensuring it is bubbling and heated through before serving.

Variations and Add-Ins

Feel free to customize this recipe to suit your taste preferences! You can add peas or carrots to the filling for a pop of color and sweetness. For added protein, consider incorporating lentils or chickpeas, which will blend seamlessly with the mushrooms for a hearty texture. Just be sure to adjust the seasoning accordingly, as these additions may absorb some of the flavors.

If you're looking for a bit of a kick, try adding a splash of hot sauce or a sprinkle of cayenne pepper to the filling. Alternatively, mix in some grated cheese into the mashed potatoes or on top of the pie before baking for a cheesy crust that melts beautifully during cooking.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, frozen spinach works well, but make sure to thaw and drain it thoroughly to avoid excess moisture.

→ Can I make this dish ahead of time?

Absolutely! You can prepare the filling and mashed potatoes in advance, then assemble and bake when ready to serve.

→ What can I serve with Shepherd's Pie?

This dish is hearty enough on its own, but you can pair it with a light salad or some crusty bread for a complete meal.

→ How do I store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven or microwave before serving.