The Best Breakfast Sandwich At Home
The Best Breakfast Sandwich At Home is a medium American recipe that serves 4. 680 calories per serving. Recipe by Joshua Weissman Recipes on YouTube.
Prep: 57 min | Cook: 50 min | Total: 2 hrs 2 min
Cost: $17.28 total, $4.32 per serving
Ingredients
- 8 Eggs (medium to large, cracked)
- 1.5 tsp Salt (kosher salt preferred)
- 0.25 cup Heavy Cream (for extra richness in the egg)
- 0.25 cup Whole Milk
- as needed Cooking Spray (to coat 8×8 baking pan)
- 1.5 lb Russet Potatoes (peeled, coarse‑grated)
- 2 cup Duck Fat (for poaching potatoes; can substitute butter, pork fat, or canola oil)
- 2 tbsp Cornstarch (binds hash brown patties)
- 0.5 cup Kewpie Mayonnaise (or any premium mayo)
- 1 tbsp Ketchup
- 2.5 tsp Gochujang (Korean red pepper paste; adds sweet‑spicy depth)
- 1 tsp Smoked Paprika
- 1 tsp Cayenne Pepper
- 1 clove Garlic (grated)
- 8 slices Mortadella (paper‑thin, preferably pistachio or black‑pepper)
- 4 slices American Cheese
- 4 Brioche Buns (soft sandwich buns, split top and bottom)
- 2 tbsp Butter (for toasting buns)
- 2.5 qt Canola Oil (for deep‑frying hash brown patties; can use duck fat instead)
Instructions
Prepare Egg Custard
Crack 8 eggs into a quart container. Add 1½ tsp salt, ¼ cup heavy cream, and ¼ cup whole milk. Blend with an immersion blender until completely smooth.
Time: PT5M
Strain (Optional)
Pour the blended mixture through a fine mesh sieve into a clean bowl for a silky appearance.
Time: PT2M
Steam the Egg
Spray an 8×8 baking pan with cooking spray. Transfer the egg mixture to a 9×13 pan, cover loosely with foil, and place the pan in a water bath (boiling water poured into the larger pan until it reaches the egg level). Bake at 300°F for 25‑30 minutes.
Time: PT30M
Temperature: 300°F
Cool and Slice Egg
Remove the pan, let the egg set for 2‑3 minutes, then flip onto a cutting board. Trim any dry edges and cut the slab into four equal rectangles (or quarters).
Time: PT5M
Prep Potatoes
Peel 1½ lb russet potatoes. Grate on the coarse side of a box grater, then wrap the shreds in a tea towel and squeeze out as much moisture as possible.
Time: PT10M
Poach Potatoes in Fat
In a medium‑large saucepan, melt 2 cups duck fat over medium heat. Add the squeezed potatoes, stirring gently. Cook for 5‑10 minutes until the potatoes are about 80 % done and still have a slight crunch.
Time: PT10M
Strain and Season
Pour the potato‑fat mixture through a fine mesh strainer into a bowl, reserving the fat for later use. Season the potatoes with kosher salt to taste.
Time: PT3M
Bind with Cornstarch
Sprinkle 2 tbsp cornstarch over the potatoes and mix until evenly distributed. If the mixture feels loose, add cornstarch a teaspoon at a time until it holds together.
Time: PT2M
Form Hash Brown Patties
Divide the mixture into four equal portions. Shape each into a ball, then flatten into a 4‑inch round patty using a 4‑inch ring mold or by hand.
Time: PT5M
Chill Patties
Place the formed patties on a plate and refrigerate for at least 30 minutes (or freeze for later use) so they firm up.
Time: PT30M
Prepare Spicy Mayo
In a small bowl, whisk together ½ cup mayo, 1 tbsp ketchup, 2½ tsp gochujang, 1 tsp smoked paprika, 1 tsp cayenne, grated garlic, a pinch of salt and black pepper until smooth.
Time: PT5M
Sear Mortadella
Heat a non‑stick skillet over medium heat. Add a thin layer of duck fat or butter. Lay the thin mortadella slices in a single layer (3‑6 slices per sandwich) and sear 2 minutes per side until lightly browned but still pliable.
Time: PT4M
Deep‑Fry Hash Browns
Heat 2½‑3 qt canola oil (or more duck fat) in a deep pot to 350°F. Fry each chilled patty for 3‑4 minutes until golden brown and crisp. Remove with a slotted spoon onto paper towels over a wire rack.
Time: PT4M
Temperature: 350°F
Toast Buns
Melt 2 tbsp butter in a skillet over medium heat. Place buns cut side down and toast 1‑2 minutes until golden and slightly crisp.
Time: PT2M
Assemble Sandwich
On the bottom bun, spread a generous layer of spicy mayo. Add a hash brown patty, 2‑3 slices of seared mortadella, a quarter egg slab, and a slice of American cheese. Top with the toasted bun half and press lightly.
Time: PT5M
Nutrition Facts
- Calories
- 680
- Protein
- 28 g
- Carbohydrates
- 45 g
- Fat
- 38 g
- Fiber
- 3 g
Dietary info: Non‑vegetarian, Contains gluten, Contains dairy
Allergens: Eggs, Milk, Wheat, Soy, Pork
Ingredient Substitutions
- Instead of Salt: sea salt
- Instead of Heavy Cream: half-and-half
- Instead of Whole Milk: 2% milk
- Instead of Cooking Spray: oil brush
- Instead of Russet Potatoes: Yukon Gold potatoes
- Instead of Duck Fat: butter, pork lard, canola oil
- Instead of Cornstarch: potato starch
- Instead of Kewpie Mayonnaise: regular mayo
- Instead of Gochujang: sriracha + miso
- Instead of Smoked Paprika: regular paprika
- Instead of Cayenne Pepper: red pepper flakes
- Instead of Garlic: garlic powder (½ tsp)
- Instead of Mortadella: thinly sliced ham
- Instead of American Cheese: cheddar
- Instead of Brioche Buns: potato rolls
- Instead of Butter: margarine
- Instead of Canola Oil: vegetable oil, peanut oil
Equipment Needed
- Quart Container
- Immersion Blender
- Fine Mesh Sieve (optional)
- 8×8 Baking Pan
- 9×13 Baking Dish
- Aluminum Foil
- Oven
- Box Grater (coarse side)
- Tea Towel
- Large Skillet (heavy‑bottomed)
- Ring Molds (4‑inch) (optional)
- Paper Towels
- Wire Rack (optional)
- Knife
- Cutting Board
Critical Steps — Do Not Skip
- Blending the egg mixture until completely smooth
- Steaming the egg in a water bath without water contact
- Removing excess moisture from grated potatoes
- Binding potatoes with cornstarch to form stable patties
- Deep‑frying hash brown patties at the correct oil temperature
Chef Tips from the Video
- An immersion blender creates a velvety egg custard without any white strands.
- Duck fat adds a luxurious flavor to the hash brown; substitute with butter for a milder taste.
- Using a fine mesh sieve for the egg mixture removes any stray chalazae for a perfect smoothness.
- Press the hash brown patties firmly in the ring mold for uniform thickness and even crisping.
Troubleshooting
Egg slab turns rubbery after steaming.
Blend the egg mixture longer to fully emulsify, and do not over‑bake; check at 25 minutes.
Hash brown patties fall apart while frying.
Make sure the potatoes are well‑drained and the cornstarch is fully incorporated; chill patties longer before frying.
Oil temperature is too low, resulting in soggy hash browns.
Use a candy or deep‑fry thermometer; maintain 350°F throughout frying.
Mortadella dries out.
Sear quickly over medium heat and remove as soon as lightly browned; keep a thin layer of fat in the pan.
Storage
Refrigerator: Egg slabs, hash brown patties, and sauce keep 3 days; mortadella up to 5 days.
Freezer: Hash brown patties freeze well for up to 2 months; re‑heat before frying.
Room temperature: Assembled sandwich best served immediately; can sit up to 1 hour but may become soggy.
Make-Ahead Tips
- Steam the egg slab a day ahead; keep wrapped in plastic and refrigerate.
- Form and freeze hash brown patties; fry directly from frozen.
- Prepare the spicy mayo sauce up to 3 days in advance.
Frequently Asked Questions
What is the cultural significance and history of the ultimate breakfast sandwich in American cuisine?
The breakfast sandwich became iconic in the United States during the mid‑20th century as a portable, hearty morning meal, often featuring eggs, meat, and cheese on a soft roll. It reflects the American love for convenience and indulgence, evolving from simple diner fare to gourmet variations like this one.
What are traditional regional variations of breakfast sandwiches in the United States?
Regional twists include the Southern biscuit sandwich with sausage gravy, the New York bagel with lox and cream cheese, the West Coast avocado‑egg toast, and the classic New England pork roll, egg, and cheese on a hard roll. This recipe blends several influences into a deluxe version.
How is the ultimate breakfast sandwich traditionally served in American diners?
In classic diners the sandwich is served hot, often wrapped in parchment or placed on a plate with a side of hash browns or home fries. The bun is lightly toasted, and the sandwich is usually eaten with a fork and knife or handheld, depending on size.
What occasions or celebrations is the ultimate breakfast sandwich traditionally associated with in American culture?
Breakfast sandwiches are popular for weekend brunches, holiday breakfasts (especially Thanksgiving and New Year's), and as a comfort food after late‑night events. This elevated version makes a special brunch centerpiece for gatherings.
What authentic traditional ingredients are used in a classic American breakfast sandwich versus acceptable substitutes?
Traditional ingredients include eggs, American cheese, bacon or sausage, and a soft roll or English muffin. Acceptable substitutes are duck‑fat‑poached hash browns for the potato element, mortadella for the meat, and a spicy mayo for extra flavor, as used in this recipe.
What other American dishes pair well with the ultimate breakfast sandwich?
Serve it alongside classic sides like seasoned home‑fries, fresh fruit salad, or a simple mixed green salad with citrus vinaigrette. A cold brew coffee or fresh‑squeezed orange juice complements the richness of the sandwich.
What are the most common mistakes to avoid when making the ultimate breakfast sandwich at home?
Common pitfalls include over‑cooking the steamed egg (it becomes rubbery), not draining enough moisture from the grated potatoes (resulting in soggy hash browns), and frying at too low a temperature which makes the patties greasy. Follow the timing and temperature guidelines closely.
Why does this ultimate breakfast sandwich recipe use duck fat for the hash brown instead of vegetable oil?
Duck fat has a higher smoke point and imparts a rich, savory flavor that elevates the potato’s crunch. While vegetable oil works, duck fat gives the hash brown a luxurious mouthfeel and deeper taste that matches the other premium ingredients.
Can I make the ultimate breakfast sandwich ahead of time and how should I store it?
Yes. Steam the egg slab, form and freeze the hash brown patties, and prepare the spicy mayo up to three days ahead. Store each component separately in airtight containers in the refrigerator; reheat the hash brown and mortadella before assembling.
What texture and appearance should I look for when the hash brown patties are done?
The patties should be deep golden‑brown, crisp on the outside, and hold together without crumbling. Inside they remain tender with a slight buttery crumb, and the edges should be uniformly browned.
What does the YouTube channel Joshua Weissman Recipes specialize in?
The YouTube channel Joshua Weissman Recipes specializes in detailed, technique‑focused home cooking tutorials that blend classic fundamentals with creative twists, often emphasizing ingredient quality and step‑by‑step explanations.
How does the YouTube channel Joshua Weissman Recipes' approach to American breakfast cooking differ from other cooking channels?
Joshua Weissman Recipes combines rigorous culinary science (e.g., precise steaming, emulsification) with a playful, experimental mindset, delivering breakfast recipes that are both technically refined and accessible, unlike many channels that stick to quick, low‑detail methods.
Last updated: September 3, 2026
