This Mushroom Breakfast Bagel Sandwich is a hearty, savory delight packed with umami-rich mushrooms, creamy eggs, and melted cheese. Toasted bagels provide a perfect crunch, while fresh spinach adds a nutritious touch. Ideal for busy mornings or leisurely brunches, this sandwich is quick, customizable, and bursting with flavor.
Why You’ll Love This Recipe
This Mushroom Breakfast Bagel Sandwich is a game-changer for breakfast lovers. The combination of earthy mushrooms sautéed to perfection, fluffy scrambled eggs, and gooey melted cheddar creates a symphony of textures and flavors. The toasted bagel offers a satisfying crunch, while fresh spinach adds a pop of color and nutrients. It’s versatile enough to suit various dietary preferences—swap ingredients to make it vegetarian or gluten-free. Ready in under 20 minutes, this sandwich is perfect for a quick weekday breakfast or a cozy weekend brunch. Whether you’re a mushroom enthusiast or just craving something deliciously different, this recipe will become a morning staple.
Recipe Tips and Tricks
- Toast the Bagel Perfectly: Use a toaster or oven broiler for a crisp, golden bagel that holds up to the fillings.
- Don’t Overcook Mushrooms: Sauté mushrooms until just golden to retain their juicy texture and rich flavor.
- Creamy Eggs: Cook eggs on low heat, stirring gently, for soft, creamy scrambled eggs that pair beautifully with the bagel.
- Cheese Melting: Add cheese to the eggs just before they’re fully cooked to ensure it melts evenly without overcooking.
- Season Generously: A pinch of salt, pepper, and optional garlic powder elevates the mushrooms and eggs.
- Prep Ahead: Slice mushrooms and spinach the night before to save time in the morning.
- Customize Heat: Add a dash of hot sauce or red pepper flakes for a spicy kick.
- Non-Stick Pan: Use a non-stick skillet for easy egg cooking and cleanup.
Mushroom Breakfast Bagel Sandwich

Savory Mushroom Breakfast Bagel Sandwich with creamy eggs, melted cheddar, and fresh spinach—perfect for a quick, delicious morning meal.
Ingredients
- 2 bagels (everything, sesame, or plain), sliced
- 1 cup cremini or button mushrooms, sliced
- 2 large eggs
- 1/2 cup sharp cheddar cheese, shredded
- 1 cup fresh baby spinach
- 1 tablespoon unsalted butter
- Salt and black pepper, to taste
- Optional: hot sauce, garlic powder, or red pepper flakes
Instructions
- Toast the Bagels: Place bagel halves in a toaster or under an oven broiler for 2-3 minutes until golden and crisp. Set aside.
- Prepare the Mushrooms: Heat 1/2 tablespoon butter in a non-stick skillet over medium heat. Add sliced mushrooms and a pinch of salt.
- Sauté Mushrooms: Cook mushrooms for 4-5 minutes, stirring occasionally, until golden and tender. Remove and set aside.
- Scramble the Eggs: In a small bowl, whisk eggs with a pinch of salt and pepper. Heat remaining butter in the skillet over low heat.
- Cook Eggs: Pour eggs into the skillet. Stir gently for 2-3 minutes until just set but still soft and creamy.
- Add Cheese: Sprinkle shredded cheddar over eggs during the last 30 seconds of cooking. Stir until melted and gooey.
- Wilt Spinach: Add fresh spinach to the skillet with the eggs. Stir for 30 seconds until slightly wilted but still vibrant.
- Assemble Sandwiches: Place a layer of mushrooms on the bottom bagel halves, followed by the cheesy egg and spinach mixture.
- Season and Customize: Add a dash of hot sauce, garlic powder, or red pepper flakes if desired. Top with the other bagel half.
- Serve Immediately: Enjoy your warm, hearty Mushroom Breakfast Bagel Sandwich with a side of fruit or coffee for a perfect morning meal!
Notes
- For extra flavor, try adding a smear of cream cheese or avocado on the bagel before piling on the fillings.
- If using larger portobello mushrooms, slice thinly to ensure even cooking and easy biting.
- To make it kid-friendly, omit spinach or swap for a milder vegetable like diced bell peppers.
- Double the recipe for a crowd, but cook eggs in batches to avoid overcrowding the pan.
Nutrition Information
Yield
2Serving Size
1Amount Per ServingCalories 551Total Fat 22gSaturated Fat 11gTrans Fat 0gUnsaturated Fat 9gCholesterol 229mgSodium 1007mgCarbohydrates 64gFiber 4gSugar 11gProtein 27g
The recipes and nutritional information on Yum Tonight are for informational purposes only. Always consult a healthcare provider for personalized dietary advice.
Ingredients Notes
- Bagels: Choose fresh, high-quality bagels like everything, sesame, or plain for the best flavor and texture. Day-old bagels work if toasted well.
- Mushrooms: Cremini or button mushrooms offer a robust, earthy taste. Shiitake or portobello can add a gourmet twist.
- Eggs: Large, fresh eggs are ideal for a fluffy scramble. Organic or free-range eggs enhance flavor.
- Cheddar Cheese: Sharp cheddar provides a bold, tangy kick. Pre-shredded saves time, but freshly grated melts better.
- Spinach: Fresh baby spinach adds a mild, nutrient-packed layer. Arugula or kale can be used for a peppery or hearty alternative.
- Butter: Unsalted butter ensures a rich sauté without overpowering saltiness. Olive oil is a great substitute for a lighter option.
- Salt and Pepper: Kosher salt and freshly ground black pepper elevate the dish’s natural flavors.
Variations and Substitutions
This recipe is highly adaptable to suit various tastes and dietary needs. For a vegetarian version, stick with the base recipe or add avocado for creaminess. To make it vegan, swap eggs for a tofu scramble and use dairy-free cheese. For gluten-free diets, opt for gluten-free bagels, which are widely available. Switch cheddar for Swiss, mozzarella, or pepper jack for a different flavor profile. If mushrooms aren’t your favorite, try sautéed bell peppers or zucchini. For a protein boost, add crispy bacon, turkey sausage, or smoked salmon. Spice lovers can incorporate jalapeños or a drizzle of sriracha. You can also experiment with bagel types—try a cinnamon raisin bagel for a sweet-savory twist or a whole wheat bagel for added fiber.
Storage Options
- Refrigerate: Store assembled sandwiches (without sauce) in an airtight container or wrap tightly in foil for up to 2 days. Reheat in a toaster oven or skillet to maintain bagel crispness.
- Freeze: Wrap individual sandwiches tightly in plastic wrap and foil, then freeze for up to 1 month. Thaw overnight in the fridge before reheating.
- Prep Ahead: Store pre-sautéed mushrooms and spinach in separate airtight containers in the fridge for up to 3 days. Reheat before assembling.
- Eggs: Cooked eggs are best fresh, but you can refrigerate scrambled eggs for 1 day and reheat gently to avoid rubberiness.
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