Sunday Spinach Mushroom Bake

Highlighted under: Baking & Desserts

I absolutely love making this Sunday Spinach Mushroom Bake for my family. It’s the perfect dish to enjoy at brunch or as a light dinner, combining nutritious spinach and earthy mushrooms. What I especially appreciate is its simplicity; it allows the flavors to shine without overwhelming complexity. The baked, bubbly cheese topping makes it feel indulgent while still being a healthy choice. I find that preparing this bake on Sunday sets the tone for a relaxing week ahead, with leftovers that keep well and taste even better the next day.

Diana Brooks

Created by

Diana Brooks

Last updated on 2026-01-14T03:28:09.036Z

When I first discovered the Sunday Spinach Mushroom Bake, I thought it would become a weekend staple in no time. As I experimented with different cheese combinations, I found that a blend of mozzarella and Parmesan provides the perfect creamy texture with a punch of flavor. Pairing the sautéed mushrooms with fresh garlic brings out the umami taste that's both comforting and invigorating.

This dish always garners compliments, especially when served fresh from the oven with cheese bubbling and slightly golden on top. To keep it light, I love using whole-wheat bread as a base, which boosts the nutritional value while keeping the bake hearty and satisfying.

Why You'll Love This Recipe

  • Nutritious spinach packed with vitamins and minerals
  • Hearty mushrooms that add depth and flavor
  • Perfect for meal prep and delicious leftovers

Why Spinach and Mushrooms Work Together

When crafting this Sunday Spinach Mushroom Bake, the combination of spinach and mushrooms not only provides a balance of nutrition but also enhances the dish's overall flavor profile. Spinach is a powerhouse of vitamins A and K, while mushrooms contribute umami, the savory taste that rounds out the dish. Together, they create a hearty experience that satisfies while remaining light enough for brunch or dinner.

The water content in mushrooms helps keep the bake moist while roasting, allowing the spinach to maintain its vibrant green color. When sautéed, mushrooms release their natural flavors, which infuse the dish and complement the creamy mozzarella and Parmesan cheeses. Ensuring you sauté the mushrooms until they're golden also enhances their sweetness and texture.

Ingredient Substitutions and Additions

While this recipe shines with fresh spinach and standard mushrooms, consider variations based on seasonal ingredients or dietary needs. You can easily swap fresh spinach for kale, which offers a robust and slightly different texture while retaining nutritional value. Additionally, feel free to experiment with different types of mushrooms, such as cremini or shiitake, to introduce varied flavors and earthiness to the dish.

For a gluten-free option, use gluten-free bread or even cooked quinoa instead of whole-wheat bread. This not only changes the flavor profile but also adds a unique texture. If you're looking for a bit more protein, mixing in cooked chicken or chickpeas can elevate the dish further, turning it into a complete meal.

Meal Prep and Storage Tips

Preparing this dish ahead of time is an excellent idea for busy weeks. You can assemble the spinach mushroom bake the night before, cover it with plastic wrap, and refrigerate it until you're ready to bake. Just remember to remove it from the fridge about 30 minutes before putting it in the oven to ensure even cooking. This will help avoid a cold center and allow the dish to bake uniformly.

When it comes to storing leftovers, keep the baked dish in an airtight container in the refrigerator for up to four days. To reheat, simply pop it back in the oven at 350°F (175°C) until heated through, which usually takes about 15–20 minutes. If you want to enjoy it for longer, consider freezing individual portions, wrapping them tightly in foil and placing them in a freezer-safe container. When ready to eat, thaw and reheat, preserving the bake's delicious flavors.

Ingredients

Gather the following ingredients to create a delicious Sunday Spinach Mushroom Bake:

Ingredients

  • 2 cups fresh spinach, chopped
  • 1 cup mushrooms, sliced
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 4 slices whole-wheat bread, cubed
  • 3 large eggs
  • 1 cup milk
  • 2 cloves garlic, minced
  • Salt and pepper to taste
  • Olive oil for sautéing

Make sure to have everything prepped before you start cooking!

Instructions

Follow these steps for a perfectly baked dish:

Preheat the Oven

Preheat your oven to 375°F (190°C). Grease a baking dish with olive oil.

Sauté the Vegetables

In a skillet, heat olive oil over medium heat. Add minced garlic, then add sliced mushrooms and sauté until golden. Stir in chopped spinach until wilted.

Season with salt and pepper.

Prepare the Egg Mixture

In a bowl, whisk together eggs and milk. Season with salt and pepper.

Combine Ingredients

In the greased baking dish, layer cubed bread, the sautéed mixture, and cheeses. Pour the egg mixture evenly over the top and stir gently to combine.

Bake

Bake in the preheated oven for 25-30 minutes, or until the top is golden brown and the center is set.

Serve

Allow the dish to cool for a few minutes before slicing and serving warm.

Enjoy your bake fresh out of the oven!

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Pro Tips

  • Feel free to experiment with different vegetables or cheeses to customize the bake to your taste. Adding cooked bacon or ham can also enhance the flavors if you prefer a heartier dish.

Common Mistakes to Avoid

One common mistake can be undercooking the mushrooms. If they're not sautéed adequately, they may release excess moisture during baking, leading to a soggy bottom rather than a deliciously crisp top. Always ensure they are golden and well-cooked before mixing with spinach, as this enhances their flavor and helps the bake set properly.

Another potential pitfall is over-seasoning the egg mixture. Since the cheeses and vegetables already contain salt, taste the sautéed mixture before adding more salt to the eggs. A light seasoning will enhance the dish without making it too salty and overpowering.

Serving Suggestions

This dish pairs beautifully with a side salad, particularly one dressed with a light vinaigrette that adds a tart contrast to the creamy bake. I often enjoy serving it with a simple arugula salad dressed in lemon juice and olive oil, which brightens the palate after rich bites of the bake.

You can elevate your brunch experience by serving this bake alongside poached eggs or avocado slices for added creaminess. A sprinkle of red pepper flakes adds a kick, and finishing it with some freshly cracked black pepper just before serving can enhance the overall flavors beautifully.

Questions About Recipes

→ Can I use frozen spinach instead of fresh?

Yes, but make sure to thaw and drain it well to avoid excess moisture.

→ What can I substitute for whole-wheat bread?

You can use gluten-free bread or any bread of your choice. Just adjust the baking time if necessary.

→ Can I make this dish ahead of time?

Absolutely! Prepare it the night before, refrigerate, and bake it fresh in the morning.

→ Is it okay to use different types of cheese?

Definitely! Feel free to mix it up with cheddar, feta, or a dairy-free cheese option.

Sunday Spinach Mushroom Bake

I absolutely love making this Sunday Spinach Mushroom Bake for my family. It’s the perfect dish to enjoy at brunch or as a light dinner, combining nutritious spinach and earthy mushrooms. What I especially appreciate is its simplicity; it allows the flavors to shine without overwhelming complexity. The baked, bubbly cheese topping makes it feel indulgent while still being a healthy choice. I find that preparing this bake on Sunday sets the tone for a relaxing week ahead, with leftovers that keep well and taste even better the next day.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Diana Brooks

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

Ingredients

  1. 2 cups fresh spinach, chopped
  2. 1 cup mushrooms, sliced
  3. 1 cup shredded mozzarella cheese
  4. 1/2 cup grated Parmesan cheese
  5. 4 slices whole-wheat bread, cubed
  6. 3 large eggs
  7. 1 cup milk
  8. 2 cloves garlic, minced
  9. Salt and pepper to taste
  10. Olive oil for sautéing

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). Grease a baking dish with olive oil.

Step 02

In a skillet, heat olive oil over medium heat. Add minced garlic, then add sliced mushrooms and sauté until golden. Stir in chopped spinach until wilted. Season with salt and pepper.

Step 03

In a bowl, whisk together eggs and milk. Season with salt and pepper.

Step 04

In the greased baking dish, layer cubed bread, the sautéed mixture, and cheeses. Pour the egg mixture evenly over the top and stir gently to combine.

Step 05

Bake in the preheated oven for 25-30 minutes, or until the top is golden brown and the center is set.

Step 06

Allow the dish to cool for a few minutes before slicing and serving warm.

Extra Tips

  1. Feel free to experiment with different vegetables or cheeses to customize the bake to your taste. Adding cooked bacon or ham can also enhance the flavors if you prefer a heartier dish.

Nutritional Breakdown (Per Serving)

  • Calories: 320 kcal
  • Total Fat: 18g
  • Saturated Fat: 7g
  • Cholesterol: 210mg
  • Sodium: 440mg
  • Total Carbohydrates: 25g
  • Dietary Fiber: 4g
  • Sugars: 3g
  • Protein: 18g