Skip to main content

Egg Sandwich with Bologna, Gherkin Mayo, and Crispy Onions

This high-protein egg and beef bologna sandwich offers a sophisticated twist on a classic breakfast roll, combining salty, savoury, and sharp flavours in every bite. The star of the show is the homemade gherkin mayo, which provides a zesty contrast to the rich, fried egg and crisp slices of beef bologna. Finished with golden, hand-fried onion rings, it provides a wonderful variety of textures that make it feel like a truly indulgent weekend brunch.

Perfect for those seeking a satisfying, protein-packed start to the day, this recipe is easily adapted using your favourite deli meats, such as beef salami or summer sausage. Whether you choose a soft brioche bun or a crusty ciabatta roll, the combination of melted smoked cheddar and a hint of green hot sauce ensures a professional, cafe-standard result from your own kitchen.

Video picks

Continue reading below

Ingredients for Egg Sandwich with Bologna, Gherkin Mayo, and Crispy Onions

  • 120ml mayonnaise, such as Hellman's

  • 1 tablespoon whole-grain mustard

  • 40ml prepared horseradish, drained

  • 2 tablespoons minced gherkins

  • 1 tablespoon lemon juice

  • 1/2 teaspoons minced garlic

  • 1/4 teaspoons kosher salt

  • 1/8 teaspoons black pepper

  • 2 tablespoons plain flour

  • Kosher salt

  • Black pepper

  • 80ml thinly sliced red onion rings

  • Vegetable oil

  • 2 small Kaiser or ciabatta rolls or brioche buns, split

  • 1 tablespoon butter

  • 6 thin slices Lancaster county sweet beef bologna, kosher beef salami, or summer sausage

  • 1 tablespoon vegetable oil

  • 2 large eggs

  • Kosher salt and black pepper, to taste

  • 2 slices smoked white cheddar

  • Several dashes green hot sauce, such as Tabasco Green Pepper Sauce, to taste

Mix together all mayo ingredients in a medium bowl and set aside.

Fry the onions (if making): Season the flour with salt and pepper and toss the onions in the flour. Fill a small pot with oil to a depth of 1/2-inch and heat the oil over medium heat. Fry the onions, turning occasionally, until crispy and golden brown, 3 to 4 minutes. Drain on a paper towel lined plate and season with salt and pepper.

Heat a medium skillet over medium-high heat. Spread the cut sides of the rolls or buns with butter, and toast in the skillet over medium heat until golden brown; set aside. Add the meat slices to the skillet and warm until slightly crisped, 2 to 3 minutes per side; set aside. Add oil to skillet and gently fry eggs over medium-low heat, until egg white has set but yolk is still soft, 3 to 4 minutes. Season the eggs with salt and pepper. Place the meat on the bottom bun, followed by the egg, cheese, crispy onions, and hot sauce, if using. Spread the top buns with 1 to 2 tablespoons gherkin mayo and close the sandwiches. Serve immediately.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 28 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
flu eligibility checker

Ask, share, connect.

Browse discussions, ask questions, and share experiences across hundreds of health topics.

symptom checker

Feeling unwell?

Assess your symptoms online for free

Sign up to the Patient newsletter

Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.

Please enter a valid email address

By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.