Egg Mushroom Sauce Fries

Category: Dinner Ideas That Actually Work

This dish features crispy oven-roasted fries tossed in garlic, paprika, and black pepper, creating a perfectly seasoned base. A rich mushroom sauce is made by sautéing mixed mushrooms with shallots, garlic, and thyme, then simmered with wine and broth before finishing with cream for a velvety texture. Fried eggs with runny yolks crown the top, while fresh parsley, green onions, and Parmesan add brightness and sharpness. The combination offers a satisfying mix of crunchy, creamy, and savory flavors that work well for brunch or comfort meals alike.

Preparing the fries properly by soaking and thoroughly drying ensures they crisp well in the oven. The sauce benefits from slow cooking to deepen mushroom flavor, and using local fresh eggs makes a difference in texture. This dish is versatile enough to enjoy any time of the day, with options for vegetarian or vegan adaptations, making it both resourceful and indulgent.

Lili Clark smiling at the camera.
Created By Lili Clark
Updated on Thu, 11 Dec 2025 15:38:35 GMT
A plate of fries with an egg on top. Save
A plate of fries with an egg on top. | lilicooks.com

This Ultimate Egg Mushroom Sauce Fries recipe is all about turning simple fries into a lavish comfort food experience. Crispy fries accented with garlic and smoked paprika get drenched in a rich mushroom sauce made from a medley of mushrooms, garlic, shallot, wine, and cream. Topping it off with runny fried eggs, fresh herbs, sharp green onions, and Parmesan cheese, this dish blends textures and flavors that make every bite irresistible. Perfect for brunch or any time you crave a cozy, satisfying treat.

I first made this during a lazy Sunday morning and was hooked instantly. Watching the golden yolk run over the warm mushroom sauce and crispy fries always feels like such a decadent treat.

Ingredients

  • Russet potatoes: The classic choice for fries with a starchy texture that crisps up beautifully. Pick heavy potatoes with firm skin and no green spots
  • Olive oil: Use a good quality extra virgin olive oil to help fries get golden and add a fruity richness
  • Garlic powder: Adds that punchy, familiar fragrance that mimics your favorite takeout fries
  • Smoked paprika: Brings smoky depth and subtle heat, but regular paprika works if needed
  • Salt and freshly ground black pepper: Essential seasonings to bring out all the flavors
  • Frozen fries: Great shortcut for busy nights; choose a brand known for crispiness in the oven
  • Mushrooms: Cremini and shiitake give me the best umami punch but any firm, fresh mushrooms will do
  • Butter: Real butter adds silkiness and richness to the sauce
  • Fresh garlic: Minced finely for the boldest flavor
  • Shallot or onion: Shallots are ideal for their mild sweetness, but a dense onion works if you don’t have shallots
  • All-purpose flour: Thickens the sauce and helps it cling to the fries
  • Broth: Chicken or vegetable broth creates a savory base; low sodium lets you control seasoning
  • Marsala or dry wine: Adds acidity and complexity - whatever dry wine you enjoy sipping will do
  • Heavy cream or half and half: Gives the sauce a smooth, velvety finish
  • Fresh thyme: Earthy notes that brighten the sauce - fresh sprigs are best
  • Red pepper flakes: Add a little kick, especially welcome after a heavy or late-night meal
  • Eggs: The crowning glory so pick fresh, high quality eggs for runny, luscious yolks
  • Parsley: Brightens and freshens up the dish with color and aroma
  • Green onions: Adds crunch and a light zing
  • Parmesan cheese: Freshly grated for nutty sharpness that cuts through the creaminess
  • Hot sauce: For an optional tangy heat to finish

Step-by-Step Instructions

Prep the Potatoes:
Scrub russet potatoes well and cut into evenly sized half-inch thick batons. Pat them thoroughly dry with a clean towel to remove surface moisture which will help them crisp up perfectly in the oven.
Season and Roast:
Toss fries with olive oil, garlic powder, smoked paprika, salt, and freshly ground black pepper until every piece is evenly coated. Spread in a single layer on a parchment-lined baking sheet to ensure crisping instead of steaming. Bake at 450 degrees Fahrenheit (230 Celsius) for about 25 to 35 minutes, shaking and flipping once halfway through so they brown beautifully on all sides.
Make the Mushroom Sauce:
While the fries roast, wipe mushrooms with a damp cloth to clean and slice them thinly. Melt butter in a heavy skillet over medium heat. Add mushrooms and let them cook undisturbed for five minutes to build golden edges, then stir and cook another three minutes until deeply browned. This browning adds rich, umami flavor.
Build the Gravy:
Add minced garlic and diced shallot to the mushrooms and cook stirring for one to two minutes until fragrant. Sprinkle all-purpose flour evenly over and stir constantly for about one minute to cook out raw flour taste, helping the sauce thicken. Deglaze the pan with dry Marsala wine, scraping up all the caramelized bits from the pan. Whisk in broth and cream along with fresh thyme, salt, pepper, and red pepper flakes. Simmer gently until the sauce thickens enough to coat the back of a spoon, about five minutes. Keep warm.
Fry the Eggs:
Heat butter or olive oil in a nonstick skillet over medium heat. Crack eggs gently and cook until whites are fully set but yolks still soft and runny, about two to four minutes for sunny side up. Adjust cooking time if you prefer a different yolk consistency.
Assemble and Finish:
Pile crispy fries on plates and spoon generous amounts of mushroom sauce over them. Top each pile with a fried egg. Sprinkle with fresh parsley, green onions, freshly grated Parmesan cheese, and a drizzle of hot sauce for extra zing. Serve immediately and enjoy every luscious bite.
A plate of fries with an egg on top. Save
A plate of fries with an egg on top. | lilicooks.com

Mushrooms are my favorite because they pack serious umami and earthy depth. I love using a mix of shiitake and cremini. The aroma of garlic and Marsala cooking together brings back warm memories of family Sunday lunches when we all cooked side by side. My mom always joked it tastes like fancy brunch without the fuss, which it really is.

Storage Tips

Keep leftover mushroom sauce and fries in separate containers in the fridge. Reheat fries in the oven or air fryer to regain their crispness. Warm mushroom sauce gently on the stove adding a splash of broth or cream if it thickens up too much. Eggs are best freshly cooked but leftover sauce keeps up to three days refrigerated.

Ingredient Substitutions

Try sweet potatoes for a sweet and savory variation of fries. If you want a mushroom-free sauce, caramelized onions or sautéed spinach make a delicious alternative. For dairy-free versions use olive oil in place of butter and coconut milk or plant cream instead of heavy cream. Gluten-free cooks can use cornstarch as a thickener instead of flour.

Serving Suggestions

This makes a fantastic party platter where guests can pile their own fries with sauce and toppings. Pair with fresh fruit salad and mimosas for an effortless brunch. For extra indulgence, add crispy bacon or a drizzle of truffle oil for a restaurant-level touch.

Recipe Roots

This dish blends the soul of poutine and the decadence of a breakfast skillet. It was born from the joy of creative leftover use and embodies the spirit of old school comfort food where flavor and resourcefulness reign over strict rules. I cherish passing down this joyous approach in my own kitchen.

Recipe FAQs

→ Can frozen fries be used in place of fresh potatoes?

Yes, frozen fries are a convenient option and still turn out crisp when baked properly. Use your favorite brand and follow package instructions for best results.

→ What mushrooms work best for the sauce?

Button, cremini, and shiitake mushrooms all contribute great texture and umami depth. A mix adds complexity and richness to the sauce.

→ How to get a perfectly runny egg yolk?

Fry eggs over medium heat in butter or oil until the whites are set and the yolks remain soft, usually 2-4 minutes, for that luscious, runny center.

→ Is the mushroom sauce vegetarian-friendly?

Yes, using vegetable broth instead of chicken broth keeps the sauce vegetarian without compromising savory flavor.

→ Can the mushroom sauce be prepared ahead of time?

Absolutely, the sauce can be made in advance and gently reheated on the stove with a little added broth or cream to loosen its consistency.

→ What garnishes enhance the final dish?

Fresh parsley, sliced green onions, grated Parmesan cheese, and a splash of hot sauce add layers of flavor and freshness that complement the rich sauce and eggs.

Egg Mushroom Sauce Fries

Golden fries smothered in creamy mushroom sauce, topped with runny eggs and fresh herbs for a hearty treat.

Preparation Time
20 min
Cooking Time
40 min
Overall Time
60 min
Created By: Lili Clark

Category: Dinner

Skill Level: Moderate

Cuisine Type: Contemporary comfort food

Output: 4 Serves (4 individual portions)

Dietary Options: Vegetarian

Ingredients

→ Fries

01 900 g russet potatoes, peeled and cut into 1 cm batons
02 3 tbsp olive oil
03 1 tsp garlic powder
04 1 tsp smoked paprika
05 ½ tsp fine sea salt
06 ¼ tsp freshly ground black pepper
07 Alternatively, 1 bag (approx. 750 g) frozen fries

→ Mushroom Sauce

08 225 g mixed mushrooms (button, cremini, shiitake), sliced
09 2 tbsp unsalted butter
10 2 cloves garlic, minced
11 1 shallot, finely diced
12 1 tbsp all-purpose flour
13 120 ml chicken or vegetable broth
14 60 ml dry Marsala wine
15 60 ml heavy cream
16 1 tsp fresh thyme leaves
17 Salt and freshly ground black pepper, to taste
18 Pinch of red pepper flakes

→ Eggs & Finishing

19 4 large eggs
20 2 tbsp unsalted butter or olive oil for frying
21 Handful fresh flat-leaf parsley, chopped
22 2 green onions, thinly sliced
23 Parmesan cheese, freshly grated, for topping
24 Hot sauce, to serve

Steps

Step 01

Preheat oven to 220°C (200°C fan). Toss potato batons with olive oil, garlic powder, smoked paprika, salt, and pepper until evenly coated. Spread in a single layer on a parchment-lined baking tray.

Step 02

Bake for 30–35 minutes, turning once halfway, until fries are golden brown and crisp. For frozen fries, follow package instructions. Transfer fries to a serving platter.

Step 03

Melt butter in a large skillet over medium-high heat. Add mushrooms and cook, stirring occasionally, until browned and liquid evaporates, about 8 minutes.

Step 04

Reduce heat to medium. Add minced garlic and diced shallot, sauté for 2–3 minutes until fragrant.

Step 05

Sprinkle flour over the mushroom mixture and stir for 1 minute to cook the flour. Deglaze skillet with Marsala wine, scraping up browned bits.

Step 06

Whisk in broth, heavy cream, and thyme. Simmer for 4–5 minutes until sauce thickens and coats the back of a spoon. Season with salt, pepper, and red pepper flakes. Remove from heat and keep warm.

Step 07

Heat butter or olive oil in a non-stick pan over medium heat. Crack in eggs and cook until whites are set and yolks remain runny, about 3–4 minutes.

Step 08

Pile hot fries onto plates and spoon generous mushroom sauce over them. Top each with a fried egg. Sprinkle with parsley, green onions, and freshly grated Parmesan. Serve immediately with hot sauce.

Tips

  1. Soak raw potato batons in cold water for 30 minutes and pat dry before roasting to ensure optimal crispness.
  2. Mushroom sauce can be prepared in advance and gently reheated with added broth or cream to loosen consistency.
  3. Use fresh eggs for tighter whites and runnier yolks to achieve the ideal saucy topping.

Required Tools

  • Oven
  • Large baking tray
  • Parchment paper
  • Large non-stick skillet
  • Spatula
  • Non-stick frying pan
  • Chef's knife

Allergy Information

Always check each ingredient for allergens, and consult a medical professional if unsure.
  • Contains dairy, eggs, and gluten (in all-purpose flour).

Nutritional Information (per serving)

These details are shared for general guidance and don’t replace professional advice.
  • Calories: 645
  • Fats: 32 g
  • Carbohydrates: 67 g
  • Proteins: 18 g