Le croque-monsieur
Le croque-monsieur 🥪 is a medium French recipe that serves 1. 1110 calories per serving. Recipe by Xavier Pincemin on YouTube.
Prep: 7 min | Cook: 10 min | Total: 22 min
Cost: $21.58 total, $21.58 per serving
Ingredients
- 2 slices Japanese Milk Bread (soft, fluffy shokupan, about 60 g each)
- 2 tablespoons Unsalted Butter (for pan‑frying the bread)
- 30 g Gruyère Cheese (thinly sliced or grated)
- 30 g White Ham (thinly sliced, high‑quality)
- 4 Egg Yolks (large, room temperature)
- 100 ml Water
- 2 pinches Salt
- 1 tablespoon Lime Juice (freshly squeezed)
- 1 pinch Piment d'Espelette (optional for mild heat)
- 1 pinch Black Pepper
- 50 g Unsalted Butter (for sauce) (cut into cubes, melted slowly)
Instructions
Butter the Bread
Spread a thin, even layer of unsalted butter on both sides of each slice of Japanese milk bread.
Time: PT2M
Color the Bread in the Pan
Heat the non‑stick skillet over medium heat, add the remaining butter, and place the bread slices butter‑side down. Cook until golden brown, about 2 minutes per side, then flip and repeat.
Time: PT4M
Temperature: medium heat
Prepare the Sabayon Base
In a mixing bowl, whisk together the egg yolks, water, a pinch of salt, and the lime juice until the mixture is pale and slightly thickened.
Time: PT2M
Cook the Sabayon
Transfer the bowl to a saucepan of barely simmering water (double boiler). Whisk continuously over low heat until the mixture thickens and coats the back of a spoon, then slowly drizzle in the melted butter while whisking. Finish with a pinch of piment d'Espelette and black pepper.
Time: PT5M
Temperature: low heat
Assemble the Sandwich
On one slice of the toasted bread, layer the Gruyère cheese, then the thin ham, and sprinkle a little pepper. Top with the second slice, buttered side up.
Time: PT1M
Melt the Cheese
Return the assembled sandwich to the skillet, press lightly with a spatula, and cook for about 1 minute until the cheese is fully melted.
Time: PT1M
Temperature: medium heat
Trim the Crust and Cut
Using a sharp knife, trim off the crusts of the sandwich, then cut the sandwich into four equal triangles.
Time: PT1M
Plate and Serve
Arrange the four sandwich pieces on a plate, drizzle or serve the warm sabayon on the side, and enjoy immediately.
Time: PT1M
Nutrition Facts
- Calories
- 1110
- Protein
- 30 g
- Carbohydrates
- 80 g
- Fat
- 60 g
- Fiber
- 2 g
Dietary info: contains gluten, contains dairy, contains egg
Allergens: gluten, dairy, egg
Ingredient Substitutions
- Instead of Japanese Milk Bread: regular white sandwich bread, brioche
- Instead of Unsalted Butter: clarified butter, vegetable oil
- Instead of Gruyère Cheese: Emmental, Swiss cheese
- Instead of White Ham: cooked turkey, prosciutto
- Instead of Egg Yolks: egg yolk paste (vegan), silken tofu (for veg)
- Instead of Salt: sea salt
- Instead of Lime Juice: lemon juice
- Instead of Piment d'Espelette: Paprika, cayenne pepper
- Instead of Unsalted Butter (for sauce): clarified butter
Equipment Needed
- Non‑stick Skillet
- Small Saucepan
- Whisk
- Spatula
- Sharp Knife
- Cutting Board
- Measuring Spoons (optional)
- Plate for Serving
Critical Steps — Do Not Skip
- Color the bread without burning the butter.
- Maintain low heat while making the sabayon to avoid curdling.
- Trim the crust cleanly to keep the sandwich airy.
Chef Tips from the Video
- Japanese milk bread (shokupan) gives the sandwich its signature airy texture; avoid using dense breads.
- Clarified butter (ghee) can be used for browning to raise the smoke point.
- A pinch of piment d'Espelette adds a subtle smoky heat that complements the lime in the sabayon.
Troubleshooting
Bread burns before turning golden.
Reduce the heat to medium‑low and add a little more butter to prevent sticking.
Sabayon curdles or looks grainy.
Remove from heat immediately, keep whisking, and add a few drops of warm water or extra melted butter to bring it back together.
Sandwich becomes soggy.
Make sure the bread is fully toasted on both sides before adding cheese and ham, and serve the sabayon on the side rather than drizzling heavily.
Storage
Refrigerator: Store leftover sandwich wrapped tightly for up to 24 hours; re‑heat gently in a skillet.
Freezer: Not recommended – the bread loses its fluffy texture.
Room temperature: Best served immediately; can sit at room temperature for up to 30 minutes.
Make-Ahead Tips
- Butter the bread slices and keep them covered in the fridge; they’ll stay soft.
- Prepare the sabayon up to the point before adding the final butter; re‑warm gently before serving.
- Assemble the sandwich just before plating to keep the crust crisp.
Frequently Asked Questions
What is the cultural significance and history of the Croque Monsieur in French cuisine?
The Croque Monsieur originated in early 20th‑century Paris cafés as a quick, indulgent snack, combining toasted bread, ham, and melted cheese. It quickly became a classic bistro staple, symbolizing French comfort food and the art of simple yet elegant preparation.
How does the Japanese milk bread version of the Croque Monsieur differ from the traditional French version?
Using Japanese milk bread (shokupan) creates an ultra‑fluffy, slightly elastic interior that stays soft after grilling, whereas traditional French brioche or regular white bread can become denser. The lighter texture pairs beautifully with the rich sabayon sauce.
What regional variations of Croque Monsieur exist within French cuisine?
In Normandy, a splash of apple brandy is sometimes added; in the south, tomato slices may be included. The "Coc Monsieur" variation adds a bright sabayon sauce with lime and piment d'Espelette, giving it a modern, slightly spicy twist.
On what occasions is the Croque Monsieur traditionally served in France?
It is commonly enjoyed as a midday snack, a light lunch, or a brunch item in cafés. It also appears on bistro menus for a quick, satisfying meal during busy workdays.
What authentic ingredients are essential for a traditional Croque Monsieur, and what can be substituted in this Coc Monsieur recipe?
Traditional ingredients include brioche or white bread, Gruyère or Emmental cheese, thinly sliced cooked ham, and béchamel sauce. In the Coc Monsieur, the sabayon replaces béchamel, and Japanese milk bread replaces brioche; you can substitute Gruyère with Emmental and lime juice with lemon if unavailable.
What are the most common mistakes to avoid when making the Coc Monsieur at home?
Common errors include burning the buttered bread, overheating the sabayon causing the eggs to scramble, and over‑loading the sandwich with sauce which makes the bread soggy. Keep heat moderate and add butter to the sabayon slowly.
Why does this Coc Monsieur recipe use a sabayon sauce instead of a classic béchamel?
The sabayon provides a lighter, glossy texture with a subtle citrus tang from lime juice, complementing the fluffy Japanese milk bread. Béchamel would be heavier and could overwhelm the delicate bread.
Can I make the sabayon sauce ahead of time and how should I store it?
Yes, you can prepare the sabayon up to the point before adding the final butter. Keep it warm in a thermos or gently re‑heat over low heat, stirring constantly. Refrigerate any leftovers in an airtight container for up to 2 days and re‑whisk before serving.
What texture and appearance should I look for when the sabayon is correctly cooked?
The sabayon should be thick enough to coat the back of a spoon, glossy, and smooth without any lumps. It will have a pale yellow hue and a buttery sheen, indicating the emulsion is stable.
What does the YouTube channel Xavier Pincemin specialize in?
Xavier Pincemin focuses on modern twists of classic French and European dishes, often highlighting high‑quality ingredients and precise technique while keeping recipes approachable for home cooks.
How does the YouTube channel Xavier Pincemin's approach to French cooking differ from other French cooking channels?
Xavier Pincemin blends traditional French culinary foundations with contemporary ingredients like Japanese milk bread and global flavor accents, offering detailed visual explanations and a relaxed, personable style that differs from more formal French culinary channels.
Last updated: September 6, 2026
