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Updated: Apr 12, 2025 · Published: Dec 15, 2024 by Nikki · This post may contain affiliate links · Leave a Comment

SOURDOUGH BREAKFAST SANDWICH

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This Sourdough Breakfast Sandwich is everything you’ve ever wanted in an egg sandwich, plus a little extra with an easy homemade dipping sauce. Think golden, crispy sourdough, perfectly scrambled eggs, and melty cheese, all cooked to perfection in a skillet over medium heat. It's the kind of sandwich that would make even Burger King jealous!

P.S. You will love my egg white wrap recipe next time!

Sourdough breakfast sandwich.

Cheesy goodness right here 👆🏼

Jump to:
  • 🥪 SOURDOUGH BREAKFAST SANDWICHES
  • BREAKFAST RECIPE TO TRY NEXT TIME
  • ❤️ WHY YOU WILL LOVE THIS RECIPE
  • INGREDIENTS NEEDED AND SUBSTITUTIONS
  • HOW TO MAKE A SOURDOUGH BREAKFAST SANDWICH
  • 🍄 SOURDOUGH BREAKFAST SANDWICH IDEAS
  • 📝 TIPS AND TRICKS FOR MAKING THE BEST BREAKFAST SANDWICH
  • ❓ FAQS
  • MAKE-AHEAD, STORAGE AND REHEATING

🥪 SOURDOUGH BREAKFAST SANDWICHES

This easy, delicious, and healthy Sourdough Breakfast Sandwich is the perfect way to start your day on the right foot!

Whether you're looking for new breakfast ideas, this sourdough sandwich bread recipe has got you covered.

To me, this is a supreme sandwich! It is perfect for those mornings when you want something quick, easy, and a little indulgent.

BREAKFAST RECIPE TO TRY NEXT TIME

A slice of quiche courgette with a small salad.
COURGETTE QUICHE
Peanut butter avocado toast with chia seeds.
AVO AND PB ON TOAST

❤️ WHY YOU WILL LOVE THIS RECIPE

  • A crunchy, perfectly golden toasted sandwich
  • An ideal easy-to-throw-together meal
  • Kid-friendly
  • Better than Burger King: fresh ingredients + homemade goodness, this sandwich rivals any fast-food breakfast option.

A stack of sourdough breakfast sandwiches.

INGREDIENTS NEEDED AND SUBSTITUTIONS

SOURDOUGH BREAD: You can swap this for your favorite bread, even English muffins will work.

EGGS: For a vegan option use scrambled tofu.

SHREDDED CHEESE: or your favorite variety.

BUTTER: for frying

SALT AND PEPPER: to taste

OPTIONAL: fresh spinach, tomatoes, or avocado slices for added nutrition

FOR THE SAUCE

MAYONNAISE

KETCHUP

HOW TO MAKE A SOURDOUGH BREAKFAST SANDWICH


Note: Please scroll to the full printable recipe card at the bottom for ingredient quantities and the method.

Prepare the Sauce: Mix the mayonnaise and ketchup in a small bowl.

Mix the mayo and ketchup together.
Mix the mayo and ketchup together.
The sauce.
The sauce.

Heat the Skillet: Start by heating your skillet over medium heat. This is key for getting that golden, crispy finish on your sourdough without burning it.

Scramble the Eggs: Crack the eggs into a bowl, season with a pinch of salt and pepper, and whisk until well combined. Melt half of the butter in the skillet, then pour in the eggs. Stir continuously with a spatula to create soft, fluffy scrambled eggs. Once cooked, remove them from the skillet and set them aside. You can also choose to simply fry your egg.

Add the cheese, egg and more cheese. Then add the sauce.
Add the cheese, egg and more cheese. Then add the sauce.
Butter the outside of the bread.
Butter the outside of the bread.

Assemble the Sandwich: Make sure your skillet is clean and then melt the remaining butter. Place one slice of sourdough in the skillet and top it with

  1. shredded cheese,
  2. eggs,
  3. and more shredded cheese.
  4. If you're feeling fancy, this is the moment to add spinach, and tomatoes, for a healthier twist.

Grill the sandwich.
Grill the sandwich.
Cut in half and enjoy!
Cut in half and enjoy!

Grill the Sandwich: Spread the sauce mixture onto the second slice of sourdough. Close the sandwich and then butter the second slice of sourdough with butter on the outside. Grill the sandwich in the skillet over medium heat until the bread is golden brown and the cheese is melted. Flip carefully and repeat on the other side.

TOP TIP - PRESS DOWN FOR EVEN COOKING: Use a spatula or heavy lid from a pot to press down lightly on the sandwich while it’s grilling. This helps everything melt together and ensures even browning.

Serve and Enjoy: Slice your Sourdough Breakfast Sandwich in half, serve with the sauce on the side, and dig in!


💫 If you loved this recipe, leave a 5-star review and rating!

🍄 SOURDOUGH BREAKFAST SANDWICH IDEAS

  1. Baby Spinach: Layer in some fresh spinach leaves for added vitamins and minerals without overwhelming the flavor.
  2. Tomato Slices: Juicy tomato slices add freshness, vitamin C, and a pop of color.
  3. Grilled Mushrooms: Sautéed or grilled mushrooms bring a savory, umami kick along with antioxidants.
  4. Bell Peppers: Thinly sliced bell peppers add crunch, sweetness, and a dose of vitamin A.
  5. Turkey Bacon or Chicken Sausage: Swap out traditional bacon for leaner, protein-packed turkey bacon or chicken sausage.
  6. Microgreens: For a fresh, delicate flavor and a punch of nutrients, sprinkle some microgreens inside the sandwich.

The best sour dough breakfast recipe is this stack of sourdough sandwiches.

📝 TIPS AND TRICKS FOR MAKING THE BEST BREAKFAST SANDWICH

Herbed Butter: Mix fresh or dried herbs like basil, parsley, or chives into your butter before spreading it on the bread this adds more flavor!

Add More Flavor: Add more flavor like nutritional yeast or if you like a little heat, sprinkle some crushed red pepper flakes into the fried or scrambled eggs or mix a dash of hot sauce into the ketchup-mayo sauce.

Press for Even Cooking: Use a spatula or heavy lid of a pot to press down lightly on the sandwich while it’s frying. This helps everything melt together and ensures even browning.

Cut Diagonally: For a café-style presentation, slice the sandwich diagonally. It’s not just for looks—this cut also makes the sandwich easier to handle and dip into the sauce.

A slice of a breakfast sandwich with melted cheese and egg.

❓ FAQS

Can I use a different type of bread?

While sourdough adds a unique flavor and texture, you can substitute it with other sturdy bread like whole grain, rye, or even a crusty baguette. Just be sure the bread can hold up to the fillings without getting soggy.

Can I make this sandwich without a skillet?

If you don’t have a skillet, you can use a griddle or even a non-stick frying pan. An electric griddle works well too, especially if you’re making multiple sandwiches at once.

Can I add meat to this sandwich?

Yes! Thin slices of turkey, ham, or cooked bacon make excellent additions. For a heartier option, consider using a lean protein like grilled chicken or turkey sausage.

How can I make this sandwich vegan?

To make this sandwich vegan, use a plant-based butter spread and cheese, and substitute scrambled eggs with a tofu scramble or a chickpea flour omelet. You can also make the sauce with vegan mayonnaise and ketchup

What can I use instead of butter to grill the sandwich?

Try using olive oil, avocado oil, or a dairy-free butter spread. Coconut oil can also be a great alternative.

Sourdough breakfast sandwiches stacked on a white board.

MAKE-AHEAD, STORAGE AND REHEATING

MAKE-AHEAD

  1. Prep the Ingredients: You can scramble the eggs, slice the cheese, and prepare the sauce the night before. Store each component in separate airtight containers in the fridge.
  2. Assemble the Sandwich: If you’re short on time in the morning, assemble the sandwich the night before. Wrap it tightly in plastic wrap or foil and store it in the fridge. When you’re ready to eat, simply grill it in the skillet as directed.

STORAGE

  1. In the Fridge: If you have leftover sandwiches, wrap them in foil or place them in an airtight container. They’ll stay fresh in the fridge for up to 1 day.

REHEATING

  1. Skillet Method: For the best results, reheat the sandwich in a skillet over medium heat. This will bring back the crispiness of the bread and melt the cheese evenly. Heat for about 3-5 minutes on each side until the sandwich is hot and crispy.
  2. Microwave: If you’re in a hurry, you can reheat the sandwich in the microwave.

The best sour dough breakfast recipe is this stack of sourdough sandwiches.


Did you make this recipe? Let me know what you think by leaving a ★★★★★ star rating & comment below. It genuinely helps me & I really appreciate your support! Nikki 💚

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Sourdough breakfast sandwich.

SOURDOUGH BREAKFAST SANDWICH


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  • Author: NIKKI
  • Total Time: 5 min Prep Time + 5 min Cook Time = 10 minutes
  • Yield: 1 sandwich 1x
  • Diet: Vegetarian
Print Recipe

Description

This Sourdough Breakfast Sandwich is everything you’ve ever wanted in an egg sandwich, plus a little extra with an easy homemade dipping sauce. Think golden, crispy sourdough, perfectly scrambled eggs, and melty cheese, all cooked to perfection in a skillet over medium heat. It's the kind of sandwich that would make even Burger King jealous!


Ingredients

Scale

2 slices of sourdough bread

2 large eggs

¼ cup shredded cheese (cheddar or your favorite variety)

2 tablespoons butter

salt and pepper to taste

Optional: fresh spinach, tomato or herbs

FOR THE SAUCE

2 tablespoons mayonnaise

2 tablespoons ketchup


Instructions

Prepare the Sauce: Mix the mayonnaise and ketchup in a small bowl.

Heat the Skillet: Start by heating your skillet over medium heat. This is key for getting that golden, crispy finish on your sourdough without burning it.

Scramble the Eggs: Crack the eggs into a bowl, season with a pinch of salt and pepper, and whisk until well combined. Melt half of the butter in the skillet, then pour in the eggs. Stir continuously with a spatula to create soft, fluffy scrambled eggs. Once cooked, remove them from the skillet and set them aside.

Assemble the Sandwich: Make sure your skillet is clean and then melt the remaining butter. Place one slice of sourdough in the skillet and top it with

  1. shredded cheese,
  2. eggs,
  3. more shredded cheese,
  4. sauce. 

If you're feeling fancy, this is the moment to add spinach, and tomatoes, for a healthier twist.

Grill the Sandwich: Close the sandwich and then butter the second slice of sourdough with butter on the outside. Grill the sandwich in the skillet over medium heat until the bread is golden brown and the cheese is melted. Flip carefully and repeat on the other side.

TOP TIP - PRESS DOWN FOR EVEN COOKING: Use a spatula or heavy lid from a pot to press down lightly on the sandwich while it’s grilling. This helps everything melt together and ensures even browning.

Serve and Enjoy: Slice your Sourdough Breakfast Sandwich in half, serve with the sauce on the side, and dig in!

💫 If you loved this recipe, leave a 5-star review and rating!

Notes

Add a Pinch of Spice: If you like a little heat, sprinkle some crushed red pepper flakes into the scrambled eggs or mix a dash of hot sauce into the ketchup-mayo sauce.

Make-Ahead: If you are shore ton time in the morning, assemble the sandwich the night before. Wrap it tightly in plastic wrap or foil and store it in the fridge. When you are ready to eat, simply toast cook it in the skillet as directed.

  • Category: Breakfast, Lunch or Dinner
  • Method: Stove Top
  • Cuisine: American

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