Croque Monsieur

Name: Croque Monsieur
Total time: 25 min
Yield: 2 servings
Cuisine: french
Ingredients: 30 g Unsalted butter; 15 g Plain flour; 150 ml Whole milk; 1 pinch Nutmeg; 0.25 tsp Salt; 0.25 tsp Ground black pepper; 35 g Gruyère; 4 slice thick white bread; 2 tsp Dijon mustard; 120 g cooked ham; 35 g Gruyère

25 min · 18 min active · makes ~400 g · Trivial

A classic French grilled cheese sandwich of thick white bread, cooked ham, and Gruyère, bound with Dijon mustard and a creamy béchamel sauce.

See more →

Croque Monsieur

A classic French grilled cheese sandwich of thick white bread, cooked ham, and Gruyère, bound with Dijon mustard and a creamy béchamel sauce.

See more →

TOTAL TIME

25 min

ACTIVE TIME

18 min

QUANTITY

~400 g

DIFFICULTY

Trivial

CUISINE

—

Who’s eating

Cooking for A typical adult.

This should leave everyone comfortably full.

Portions & fullness

Ingredients0/10

Tools0/12

Ingredients

0/10 gathered · 2 servings

30g

15g

150ml

1pinch

0.25tsp

70g

4slice

2tsp

120g

#	Quantity	Notes	State
1	30g	—	—
2	15g	—	—
3	150ml	—	—
4	1pinch	—	—
5	0.25tsp	—	—
6	0.25tsp	—	—
7	70g	—	—
8	4slice	—	—
9	2tsp	—	—
10	120g	—	—

Tools

12 items

Serveware

1 item

Procedure

30 steps

1 of 30

Heat the grill to its highest setting.

220°C

⏱ 3 min

2 of 30

Put the butter into a small saucepan.

Unsalted butter · 30 g

⏱ 10s

ResultUnsalted butter

3 of 30

Melt the butter over a medium heat.

⏱ 1 min

ResultMelted butter

4 of 30

Add the flour to the melted butter and stir constantly for 1 minute until the mixture forms a smooth paste.

Plain flour · 15 g

⏱ 1 min

ResultMelted butter and plain flour

5 of 30

Pour the milk into the saucepan with the roux.

Whole milk · 150 ml

⏱ 10s

ResultMilk-added roux

6 of 30

Whisk the milk into the roux continuously until the mixture is smooth and lump-free.

⏱ 1 min

ResultBéchamel base

7 of 30

Simmer the béchamel base, stirring, for 3 minutes until thickened.

⏱ 3 min

ResultThickened béchamel

8 of 30

Add the nutmeg to the béchamel and stir to combine.

Nutmeg · 1 pinch

⏱ 10s

ResultNutmeg-seasoned béchamel

9 of 30

Add salt to taste and stir through.

Salt · 0.25 tsp

⏱ 10s

ResultSalted béchamel

10 of 30

Add a good pinch of black pepper and stir through.

Ground black pepper · 0.25 tsp

⏱ 10s

ResultSeasoned béchamel

11 of 30

Add half the Gruyère to the saucepan.

Gruyère · 35 g

⏱ 10s

ResultSeasoned béchamel and gruyère

12 of 30

Stir the Gruyère into the seasoned béchamel until it has melted and the sauce is smooth.

⏱ 1 min

ResultGruyère béchamel

13 of 30

Pour the Gruyère béchamel into a small bowl and set aside.

Gruyère béchamel · step 12

⏱ 20s

ResultGruyère béchamelused in step 22

14 of 30

Lay the 4 thick slices of white bread on the chopping board.

Thick white bread · 4 slice

⏱ 30s

ResultSliced white bread

15 of 30

Lay the 4 thick slices of white bread in a single layer on the grill tray.

Sliced white bread · step 14

⏱ 15s

ResultSliced white bread

16 of 30

Slide the grill tray under the hot grill.

⏱ 10s

ResultSliced white bread

17 of 30

Grill the bread for about 2 minutes until one side is lightly golden.

⏱ 2 min

ResultToasted bread slices

18 of 30

Remove the grill tray from the oven using oven gloves.

⏱ 10s

ResultToasted bread slices

19 of 30

Flip each slice of bread over so the untoasted side faces up.

⏱ 20s

ResultTurned bread slices

20 of 30

Spread the Dijon mustard evenly over 2 of the flipped bread slices.

Dijon mustard · 2 tsp

⏱ 30s

ResultMustard-spread bread slices

21 of 30

Lay the cooked ham over the mustard-spread slices.

Cooked ham · 120 g

⏱ 30s

ResultHam-topped bread slices

22 of 30

Spoon a quarter of the Gruyère béchamel over the ham on each mustard slice, keeping half for the tops.

Gruyère béchamel · step 13

⏱ 20s

ResultAssembled open sandwiches

23 of 30

Press the plain toasted bread slices on top of the filled slices to close the sandwiches.

⏱ 30s

ResultAssembled open sandwiches

24 of 30

Spread the remaining Gruyère béchamel evenly over the tops of the closed sandwiches using a palette knife.

⏱ 1 min

ResultBéchamel-topped closed sandwiches

25 of 30

Scatter the remaining Gruyère evenly over the béchamel-topped sandwiches.

Gruyère · 35 g

⏱ 15s

ResultCheese-topped sandwiches

26 of 30

Slide the grill tray back under the hot grill.

⏱ 10s

ResultCheese-topped sandwiches

27 of 30

Grill for 4–5 minutes until the cheese is bubbling and golden and the sandwiches are piping hot.

⏱ 5 min

ResultGrilled croque monsieur sandwiches

28 of 30

Remove the grill tray from the oven using oven gloves.

⏱ 10s

ResultGrilled croque monsieur sandwiches

29 of 30

Lift the croque monsieur sandwiches from the tray onto a chopping board.

⏱ 30s

ResultGrilled croque monsieur sandwiches

30 of 30

Cut each sandwich in half diagonally.

⏱ 30s

ResultSliced croque monsieur sandwiches

Total Time25 min

#	Product	Tool	Action
1	—	220°C	Heat the grill to its highest setting.⏱ 3 min
2	30 g		Put the butter into a small saucepan.⏱ 10sResultUnsalted butter
3	—		Melt the butter over a medium heat.⏱ 1 minResultMelted butter
4	15 g		Add the flour to the melted butter and stir constantly for 1 minute until the mixture forms a smooth paste.⏱ 1 minResultMelted butter and plain flour
5	150 ml		Pour the milk into the saucepan with the roux.⏱ 10sResultMilk-added roux
6	—		Whisk the milk into the roux continuously until the mixture is smooth and lump-free.⏱ 1 minResultBéchamel base
7	—		Simmer the béchamel base, stirring, for 3 minutes until thickened.⏱ 3 minResultThickened béchamel
8	1 pinch		Add the nutmeg to the béchamel and stir to combine.⏱ 10sResultNutmeg-seasoned béchamel
9	0.25 tsp		Add salt to taste and stir through.⏱ 10sResultSalted béchamel
10	0.25 tsp		Add a good pinch of black pepper and stir through.⏱ 10sResultSeasoned béchamel
11	35 g		Add half the Gruyère to the saucepan.⏱ 10sResultSeasoned béchamel and gruyère
12	—		Stir the Gruyère into the seasoned béchamel until it has melted and the sauce is smooth.⏱ 1 minResultGruyère béchamel
13	Gruyère béchamelstep 12		Pour the Gruyère béchamel into a small bowl and set aside.⏱ 20sResultGruyère béchamelused in step 22
14	4 slice		Lay the 4 thick slices of white bread on the chopping board.⏱ 30sResultSliced white bread
15	Sliced white breadstep 14		Lay the 4 thick slices of white bread in a single layer on the grill tray.⏱ 15sResultSliced white bread
16	—		Slide the grill tray under the hot grill.⏱ 10sResultSliced white bread
17	—		Grill the bread for about 2 minutes until one side is lightly golden.⏱ 2 minResultToasted bread slices
18	—		Remove the grill tray from the oven using oven gloves.⏱ 10sResultToasted bread slices
19	—		Flip each slice of bread over so the untoasted side faces up.⏱ 20sResultTurned bread slices
20	2 tsp		Spread the Dijon mustard evenly over 2 of the flipped bread slices.⏱ 30sResultMustard-spread bread slices
21	120 g		Lay the cooked ham over the mustard-spread slices.⏱ 30sResultHam-topped bread slices
22	Gruyère béchamelstep 13		Spoon a quarter of the Gruyère béchamel over the ham on each mustard slice, keeping half for the tops.⏱ 20sResultAssembled open sandwiches
23	—		Press the plain toasted bread slices on top of the filled slices to close the sandwiches.⏱ 30sResultAssembled open sandwiches
24	—		Spread the remaining Gruyère béchamel evenly over the tops of the closed sandwiches using a palette knife.⏱ 1 minResultBéchamel-topped closed sandwiches
25	35 g		Scatter the remaining Gruyère evenly over the béchamel-topped sandwiches.⏱ 15sResultCheese-topped sandwiches
26	—		Slide the grill tray back under the hot grill.⏱ 10sResultCheese-topped sandwiches
27	—		Grill for 4–5 minutes until the cheese is bubbling and golden and the sandwiches are piping hot.⏱ 5 minResultGrilled croque monsieur sandwiches
28	—		Remove the grill tray from the oven using oven gloves.⏱ 10sResultGrilled croque monsieur sandwiches
29	—		Lift the croque monsieur sandwiches from the tray onto a chopping board.⏱ 30sResultGrilled croque monsieur sandwiches
30	—		Cut each sandwich in half diagonally.⏱ 30sResultSliced croque monsieur sandwiches
Total Time			25 min

Serving

Transfer the sliced sandwiches to 2 warm plates and serve immediately.

Nutrition

per serving

Estimated · pre-cooking · 100% ingredients covered

Nutrient	Per serving
	578kcal
	33g
	33g
	18g
	39g
	6g
	2g
	1,799mg

Ingredients0/10

Tools0/12

Recipe

Croque Monsieur

A classic French grilled cheese sandwich of thick white bread, cooked ham, and Gruyère, bound with Dijon mustard and a creamy béchamel sauce.

What you’ll doYou will make a Gruyère béchamel sauce while the grill heats, then toast four bread slices. Assemble two sandwiches with mustard, ham, and sauce, top with more sauce and cheese, and grill until the cheese bubbles and browns.

Serves2

Total25 min

LevelMedium

Ingredients

Unsalted butter30 g
Plain flour15 g
Whole milk150 ml
Nutmeg1 pinch
Salt0.25 tsp
Ground black pepper0.25 tsp
Gruyère70 g
Thick white bread4 slice
Dijon mustard2 tsp
Cooked ham120 g

Tools

TongsGrill traySmall bowlBread knifeOvenPalette knifeSmall saucepanWhiskWooden spoonPlateOven gloveChopping board

Method

Heat the grill to its highest setting.

220°C3 minOven

Put the butter into a small saucepan.

10sSmall saucepanUnsalted butter · 30 g

Melt the butter over a medium heat.

1 minSmall saucepan

Add the flour to the melted butter and stir constantly for 1 minute until the mixture forms a smooth paste.

1 minSmall saucepanPlain flour · 15 g

Pour the milk into the saucepan with the roux.

10sSmall saucepanWhole milk · 150 ml

Whisk the milk into the roux continuously until the mixture is smooth and lump-free.

1 minSmall saucepan, Whisk

Simmer the béchamel base, stirring, for 3 minutes until thickened.

3 minSmall saucepan

Add the nutmeg to the béchamel and stir to combine.

10sSmall saucepanNutmeg · 1 pinch

Add salt to taste and stir through.

10sSmall saucepanSalt · 0.25 tsp

Add a good pinch of black pepper and stir through.

10sSmall saucepanGround black pepper · 0.25 tsp

Add half the Gruyère to the saucepan.

10sSmall saucepanGruyère · 35 g

Stir the Gruyère into the seasoned béchamel until it has melted and the sauce is smooth.

1 minSmall saucepan, Wooden spoon

Pour the Gruyère béchamel into a small bowl and set aside.

Result · Gruyère béchamel · used in step 22

20sSmall bowlGruyère béchamel · step 12

Lay the 4 thick slices of white bread on the chopping board.

30sChopping board, Bread knifeThick white bread · 4 slice

Lay the 4 thick slices of white bread in a single layer on the grill tray.

15sGrill traySliced white bread · step 14

Slide the grill tray under the hot grill.

10sGrill tray, Oven, Oven glove

Grill the bread for about 2 minutes until one side is lightly golden.

2 minGrill tray, Oven

Remove the grill tray from the oven using oven gloves.

10sGrill tray, Oven, Oven glove

Flip each slice of bread over so the untoasted side faces up.

20sGrill tray, Tongs

Spread the Dijon mustard evenly over 2 of the flipped bread slices.

30sGrill tray, Palette knifeDijon mustard · 2 tsp

Lay the cooked ham over the mustard-spread slices.

30sGrill trayCooked ham · 120 g

Spoon a quarter of the Gruyère béchamel over the ham on each mustard slice, keeping half for the tops.

20sGrill trayGruyère béchamel · step 13

Press the plain toasted bread slices on top of the filled slices to close the sandwiches.

30sGrill tray

Spread the remaining Gruyère béchamel evenly over the tops of the closed sandwiches using a palette knife.

1 minGrill tray, Palette knife

Scatter the remaining Gruyère evenly over the béchamel-topped sandwiches.

15sGrill trayGruyère · 35 g

Slide the grill tray back under the hot grill.

10sGrill tray, Oven, Oven glove

Grill for 4–5 minutes until the cheese is bubbling and golden and the sandwiches are piping hot.

5 minGrill tray, Oven

Remove the grill tray from the oven using oven gloves.

10sGrill tray, Oven, Oven glove

Lift the croque monsieur sandwiches from the tray onto a chopping board.

30sChopping board

Cut each sandwich in half diagonally.

30sChopping board, Bread knife

Transfer the sliced sandwiches to 2 warm plates and serve immediately.

Result · Sliced croque monsieur sandwiches

15sPlateSliced croque monsieur sandwiches · step 30

Printed 11 October 2026