As I stood in my kitchen, the aroma of roasted garlic wafting through the air, I couldn’t help but feel a wave of excitement for what’s to come. Today, I’m sharing my delicious Avocado and Egg Stuffed Portobello Mushrooms—a vibrant, nutrient-packed vegetarian delight that’s both satisfying and nourishing. These beauties are not just simple to whip up; they’re also gluten-free and low-carb, making them perfect for quick weeknight dinners or a scrumptious brunch with friends. Just imagine a creamy avocado filling basking under a perfectly baked egg, all nestled within a tender portobello mushroom cap! Ready to dive into a dish that’s sure to impress and delight? Let’s get cooking!

Why Are These Mushrooms So Irresistible?
Nutrient-Packed: Each serving of these Egg Stuffed Portobello Mushrooms delivers healthy fats and protein, ensuring a satiating meal that aligns with your dietary goals.
Versatile Delight: Perfect for breakfast, brunch, or as a light dinner, this dish adapts beautifully to any occasion!
Simple & Quick: With just a handful of ingredients and minimal prep time, you can whip these up in no time—ideal for busy weeknights.
Crowd-Pleasing Flavor: The combination of creamy avocado and flavorful garlic creates a taste sensation that will have everyone asking for seconds.
Elegant Presentation: Beautifully stuffed mushrooms make for an impressive centerpiece at your next gathering. Serve them alongside a refreshing Pasta Salad to complete the meal!
Egg Stuffed Portobello Mushrooms Ingredients
For the Mushrooms
• Portobello Mushrooms – These caps are the perfect vessel for stuffing; choose firm, even ones for the best texture.
For the Filling
• Avocado – Provides a creamy, luscious base; make sure they’re ripe for ultimate flavor.
• Garlic (minced) – Adds a delightful aromatic punch; fresh garlic is a must for depth.
• Salt & Pepper – Essential for enhancing all the flavors; adjust to your personal taste.
• Crushed Red Pepper Flakes – Add a kick if you enjoy a bit of heat; tailor to your spice preference.
For the Topping
• Eggs – The star of the dish, creating a rich and satisfying filling; choose farm-fresh eggs for the best quality.
• Cherry Tomatoes – Introduce a burst of sweetness and color; tossing with olive oil elevates their flavor.
These Egg Stuffed Portobello Mushrooms are not just a delight to the taste buds, but also a simple way to incorporate nutrient-rich ingredients into your meals.
Step‑by‑Step Instructions for Egg Stuffed Portobello Mushrooms
Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C) to create the perfect baking environment for your Egg Stuffed Portobello Mushrooms. A hotter oven ensures that the mushrooms will roast beautifully, enhancing their natural flavors. While the oven heats, gather all your ingredients and equipment to streamline the process.
Step 2: Prepare the Portobello Mushrooms
Gently clean the portobello mushrooms with a damp paper towel to remove any dirt; avoid running them under water. Next, remove the stems and use a spoon to scrape out the dark gills inside. This prepares the caps for the stuffing while ensuring they hold onto the delicious filling without excess moisture.
Step 3: Make the Avocado Filling
In a medium bowl, mash the ripe avocado until creamy. Then, mix in minced garlic, a pinch of salt, pepper, and red pepper flakes for a touch of heat. This avocado mixture will serve as the delicious base for your Egg Stuffed Portobello Mushrooms, offering richness and flavor in every bite.
Step 4: Prepare the Cherry Tomatoes
Halve the cherry tomatoes and place them in a separate bowl. Drizzle with olive oil, and season with salt and pepper to taste. Toss the tomatoes lightly to coat them evenly. Set them aside, as these vibrant orbs will add sweetness and color to your dish when baked alongside the mushrooms.
Step 5: Stuff the Mushrooms
Carefully spoon the avocado filling into each mushroom cap, ensuring they are generously filled while leaving enough room for the egg. The creamy avocado will provide a delightful contrast to the baked egg, making these Egg Stuffed Portobello Mushrooms a wholesome meal packed with flavor.
Step 6: Add the Eggs
Crack an egg into each stuffed mushroom cap, taking care not to break the yolk for a beautiful presentation. Alternatively, you may crack the eggs into a bowl first to catch any shell pieces before adding them to the mushrooms. Place them on a baking sheet lined with parchment paper for easy cleanup.
Step 7: Bake the Mushrooms
Place the stuffed mushrooms in the preheated oven and bake for 15-20 minutes, checking for your desired egg doneness. For slightly runny yolks, aim for around 15 minutes; if you prefer a firmer egg, extend to 20 minutes. Keep an eye on them as they cook to avoid overcooking.
Step 8: Add the Tomatoes
Five minutes before the mushrooms are done baking, add the prepared cherry tomatoes to the baking sheet. This will allow them to roast and caramelize slightly, enhancing their flavor. The combination of roasted tomatoes alongside the eggs creates a wonderful harmony of taste and texture.
Step 9: Final Touches and Serve
Once baked, remove the mushrooms from the oven and let them cool for a minute. As a finishing touch, garnish with freshly chopped parsley or cilantro, adding a pop of color and freshness. Serve your delectable Egg Stuffed Portobello Mushrooms warm, and watch your loved ones delight in this nourishing meal!

How to Store and Freeze Egg Stuffed Portobello Mushrooms
Fridge: Store leftover Egg Stuffed Portobello Mushrooms in an airtight container in the refrigerator for up to 3 days for optimal flavor and freshness.
Freezer: If you want to freeze these mushrooms, assemble them without baking and wrap each in plastic wrap, then place in a freezer-safe bag. They can be frozen for up to 2 months.
Reheating: To reheat, bake from frozen at 375°F (190°C) for about 25-30 minutes until heated through, or thaw in the fridge overnight and bake for 15-20 minutes until warm.
Storage Tips: For the best texture, avoid storing baked mushrooms for too long, as they may become soggy; it’s ideal to enjoy them fresh!
Egg Stuffed Portobello Mushrooms Variations
Feel free to get creative and customize your Egg Stuffed Portobello Mushrooms with these fun variations that will tickle your taste buds!
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Dairy-Free: Swap out the traditional cheese for a nut-based cheese to keep it creamy while staying vegan-friendly.
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Spicy Kick: Add jalapeño slices or a splash of hot sauce to the avocado mixture for a fiery twist that ignites your taste buds.
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Mediterranean Flair: Incorporate chopped sun-dried tomatoes and olives into the avocado filling for a delicious Mediterranean vibe. Each bite will transport you straight to the coast!
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Garden Fresh: Toss in some chopped spinach or kale to the avocado filling for added nutrition and a delightful pop of green color in every bite.
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Savory Bacon: Crumble crispy bacon on top of the eggs before baking for a rich, smoky flavor that complements the creaminess of the avocado. It’s savory indulgence perfected!
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Mushroom Variety: Experiment with different mushroom types, like shiitake or cremini, to create unique flavor profiles and textures in your stuffed caps.
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Cheesy Goodness: Consider adding a sprinkle of Parmesan or feta cheese to the avocado filling or as a topping, elevating the dish with a salty, creamy bite.
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Timing Your Tomatoes: For sweeter roasted tomatoes, add them earlier alongside the mushrooms to create a deliciously caramelized topping that enhances the overall flavor.
With these tasty twists, your Egg Stuffed Portobello Mushrooms will never get boring! Serve them alongside a refreshing Pasta Salad or some delightful Roasted Mushrooms Savory for a well-rounded feast. Enjoy!
Expert Tips for Egg Stuffed Portobello Mushrooms
• Mushroom Prep: Avoid rinsing mushrooms under water; they absorb moisture and can become soggy. Wipe them clean with a damp towel instead.
• Egg Quality: Crack eggs into a separate bowl first to ensure no shell fragments make their way into your dish. This keeps your Egg Stuffed Portobello Mushrooms pristine!
• Baking Time: Keep a close eye on the mushrooms as they bake, since oven temperatures can vary. Aim for set egg whites and your preferred yolk consistency.
• Flavor Boost: Consider adding cheese or sautéed spinach to the avocado filling for an extra layer of flavor that complements your Egg Stuffed Portobello Mushrooms beautifully.
• Stuff and Space: When filling your mushrooms, don’t overstuff them; leave room for the egg to sit snugly while it bakes for the best results.
What to Serve with Avocado and Egg Stuffed Portobello Mushrooms
Imagine completing your delightful meal with sides that enhance the creamy, savory goodness of each bite!
- Mixed Green Salad: A fresh side that adds a crisp, vibrant contrast to the rich stuffed mushrooms; a zesty vinaigrette ties everything together beautifully.
- Roasted Sweet Potatoes: Their natural sweetness balances perfectly with the savory mushrooms, while their caramelized edges offer a comforting texture that complements the dish.
- Quinoa Pilaf: This nutty grain dish adds extra protein and a hearty element; toss in some herbs for brightness that elevates the flavors of your meal.
- Herbed Couscous: Light and fluffy, couscous serves as an excellent bed for the mushrooms, soaking up any delicious juices while remaining delightfully chewy.
- Sautéed Spinach: The slightly wilted greens add both color and nutrition; a pinch of garlic as you sauté brings out an irresistible aroma.
- Chilled Gazpacho: For a refreshing twist, serve a vibrant gazpacho; its coolness contrasts nicely with the warm stuffed mushrooms.
- Sparkling Water with Citrus: A light, bubbly drink to cleanse the palate; the zingy citrus will highlight the creamy avocado in each bite.
- Dark Chocolate Mousse: For dessert, this richness balances the meal’s flavors, while the creamy texture mirrors the mushrooms’ comforting elements.
Create a harmonious culinary experience with these enticing pairings!
Make Ahead Options
These Egg Stuffed Portobello Mushrooms are a fantastic choice for meal prep, saving you valuable time during hectic weeknights! You can prepare the avocado filling up to 24 hours in advance by mashing the avocado and mixing it with garlic, salt, pepper, and red pepper flakes. Store this mixture in an airtight container in the refrigerator to keep it fresh and prevent browning. Additionally, you can clean the portobello mushroom caps and store them separately for up to 3 days. When you’re ready to serve, simply fill the mushroom caps with the avocado mixture, crack an egg on top, and bake as directed for a delightful dish that’s just as fresh and satisfying!

Egg Stuffed Portobello Mushrooms Recipe FAQs
How do I choose ripe avocados?
Absolutely! When selecting avocados, gently squeeze them; they should yield slightly under pressure but not feel mushy. Dark green skin without any major blemishes is best, as it indicates ripeness. If they have dark spots all over, they may be overripe.
How should I store leftover stuffed mushrooms?
To keep your Egg Stuffed Portobello Mushrooms fresh, store any leftovers in an airtight container in the fridge for up to 3 days. This helps to maintain their flavor and texture. Just be mindful that after the first day, they may vary in quality.
Can I freeze Egg Stuffed Portobello Mushrooms?
Yes, you can! Assemble the stuffed mushrooms without baking them. Wrap each mushroom tightly in plastic wrap, then place them in a freezer-safe bag or container. They can be frozen for up to 2 months. When ready to enjoy, bake from frozen at 375°F (190°C) for about 25-30 minutes or thaw overnight in the fridge, then bake for 15-20 minutes.
What should I do if the egg breaks while stuffing?
Not to worry! If an egg breaks while you’re cracking it into the mushroom cap, simply remove any shell pieces and gently spoon the broken egg into the mushroom; it will bake just fine! For a less messy process, crack eggs in a separate bowl first to avoid this issue.
Are there any dietary considerations for this recipe?
Very! This recipe is naturally vegetarian, gluten-free, and low-carb, making it suitable for many diets. However, if you’re cooking for someone with an egg allergy, consider using a flaxseed meal or silken tofu as a substitute for the egg. They might not yield the same texture, but they can still work for similar dishes.
How can I prevent the mushrooms from becoming soggy?
To avoid soggy stuffed mushrooms, resist rinsing them under water; instead, clean them with a damp paper towel. Also, watch the baking time carefully! Mushrooms will release moisture as they bake, so removing them at the right time—when the egg whites are set and the yolk is cooked to your preference—will help keep them from becoming too soggy.

Egg Stuffed Portobello Mushrooms: Delicious & Healthy Delight
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C).
- Gently clean the portobello mushrooms with a damp paper towel. Remove the stems and scrape out the dark gills.
- In a medium bowl, mash the ripe avocado, and mix in minced garlic, salt, pepper, and red pepper flakes.
- Halve the cherry tomatoes, drizzle with olive oil, and season with salt and pepper. Toss to coat.
- Spoon the avocado filling into each mushroom cap, leaving room for the egg.
- Crack an egg into each stuffed mushroom cap.
- Bake the stuffed mushrooms for 15-20 minutes, checking for desired egg doneness.
- Five minutes before done baking, add the cherry tomatoes to the baking sheet.
- Once baked, let cool for a minute, garnish with chopped parsley or cilantro, and serve warm.

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