Cheese and ham toasties dippers are the croque monsieur you can hold in one hand while unlocking your apartment door with the other. I figured this out at 11:40 on a Tuesday night on the corner of Bedford and North 7th in Williamsburg, starving, holding a bag of stale bread and a heel of Gruyère. The answer was obvious: press the sandwich, cut it into sticks, fry the edges crisp, and dunk.
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Here's the thing nobody tells you: a croque monsieur is a great sandwich but a lousy party food. It falls apart. It goes soggy. It needs a knife. Cut it into dippers, though, and every edge gets that fried-cheese crust that tastes like the corner of a grilled cheese that got away from you. That crust is the whole point. That's why we press, chill, then fry.
The mustard dip is not optional. It cuts the fat, wakes up the ham, and gives you something to do with your hands. Make it while the sandwiches chill. You'll be done in under an hour, most of which is waiting and not touching anything.
The bread matters more than you think. Soft, thin white sandwich bread presses tight and fries evenly. A crusty sourdough boule will fight you and win.
Why You'll Love This Recipe
About the Ingredients
12 slices soft white sandwich bread (about 1/2 inch thick)
Thin, soft sandwich bread presses and seals best. If yours is stale, microwave the slices 10 seconds to soften them, or swap in brioche for a richer, sweeter stick.
10 oz (280g) Gruyère cheese, coarsely grated
Gruyère melts into that nutty, stringy pull. Comté is the closest substitute; a plain Swiss works but tastes flatter, so add an extra pinch of salt.
8 oz (225g) thinly sliced smoked cooked ham
Ask the deli counter for shaved ham so it layers flat without bulging. Prosciutto cotto or good Black Forest ham both work; skip wet, watery ham that steams the bread.
4 tbsp (56g) unsalted butter, softened, divided
Soft butter spreads thin and even, which is what you want for frying. Salted butter works, but then cut the pinch of salt in the cheese mix.
2 tbsp (30g) Dijon mustard
Dijon brings the sharp backbone. Whole-grain mustard gives more texture; yellow mustard is too sweet and vinegary here, so don't.
1/4 cup (60g) mayonnaise
Full-fat mayo makes the dip silky. Greek yogurt works for a lighter tang, but add a teaspoon of olive oil so it doesn't taste chalky.
1 large egg
The egg binds the cheese filling so it doesn't leak out during frying. No egg? Use 2 tablespoons of beaten cream cheese instead.
6 oz (170g) low-moisture mozzarella, shredded
Mozzarella gives the stretch; Gruyère gives the flavor. Buy a block and shred it yourself, because pre-shredded cheese is coated in starch and melts grainy.
1/2 tsp freshly ground black pepper
Fresh pepper, always. Pre-ground tastes like dust. A few gratings of nutmeg in the cheese mix is a classic croque move if you're feeling French.
1/2 cup (120ml) neutral oil, for shallow frying
Canola, vegetable, or peanut oil all hold up at frying heat. Don't use olive oil here; it smokes and tastes bitter at 350°F.
Tips & Tricks
Press and Chill First
Weigh the assembled sandwiches down for 10 minutes, then chill 15 minutes so the cheese sets and the sticks don't blow apart in the oil.
Watch the Oil Temperature
Keep it at 350°F (175°C). Too hot and the bread burns before the cheese melts; too cool and the sticks drink oil and go greasy.
Fry in Batches
Crowding the pan drops the oil temperature and steams the crust. Three or four sticks at a time, no more.
Salt After Frying
Salt the hot sticks the second they come out, so it sticks. Salt before and it draws moisture and softens the crust.
Pro Tips
Step-by-Step Instructions
1. Mix the Cheese Filling
In a bowl, stir together the Gruyère, mozzarella, egg, and black pepper until it looks like a thick, cohesive paste. This is your glue and your flavor, so get it evenly combined.
2. Build the Sandwiches
Spread a thin layer of Dijon on 6 bread slices, then pile on the ham in loose folds. Spread the cheese mixture over the remaining 6 slices and close the sandwiches, cheese side facing the ham.
3. Press and Chill
Set the sandwiches on a tray, cover with parchment and a second tray, and weigh it down with a couple of cans for 10 minutes. Then slide the tray into the fridge for 15 minutes so the cheese firms up.
4. Make the Mustard Dip
While they chill, whisk the mayonnaise with 1 tablespoon of Dijon and a squeeze of lemon if you have one. Taste it. It should be sharp enough to make you blink once.
5. Trim and Cut
Trim the crusts with a serrated knife, then cut each sandwich into 3 even sticks, about 1 inch wide. Press the cut edges gently so no cheese escapes.
6. Heat the Oil
Pour the neutral oil into a heavy skillet to a depth of about 1/2 inch and heat over medium to 350°F (175°C). A bread cube should sizzle steadily and brown in about 45 seconds.
7. Fry the Dippers
Fry the sticks in batches for 2 to 3 minutes per side, turning with tongs, until deep golden brown and the cheese bubbles at the edges. The internal cheese should read 145°F (63°C) on a thermometer.
8. Drain and Serve
Lift the dippers onto a wire rack, sprinkle with flaky salt, and rest 2 minutes. Serve hot with the mustard dip, because cold dippers are a tragedy you can avoid.
Delicious Variations
Croque Madame Dippers
Top each finished dipper with a quarter of a fried egg and a grind of pepper for a brunch version that eats like a full meal.
Spicy Soppressata Swap
Replace the ham with thin soppressata and add a teaspoon of Calabrian chili paste to the mustard dip for heat that lingers.
Mushroom Croque
Swap the ham for 6 oz of sautéed cremini mushrooms with thyme for a vegetarian version that still tastes deeply savory.
How to Store Cheese and Ham Toasties Dippers aka Croque Monsieur Dippers
Refrigerator
Store fried dippers in an airtight container in the fridge for up to 3 days. Keep the mustard dip separately, covered, for up to 5 days.
Freezer
Freeze assembled, unbreaded, uncooked sticks on a tray for 1 hour, then transfer to a bag for up to 2 months. Fry straight from frozen, adding 1 minute per side.
Reheating
Reheat on a wire rack in a 375°F (190°C) oven for 8 to 10 minutes until crisp. Never microwave them, unless you enjoy soggy bread and regret.
Frequently Asked Questions
Q: What is the difference between a croque monsieur and a croque madame?
A croque madame is a croque monsieur topped with a fried egg. The sandwich base, the ham, the Gruyère, and the fried or baked crust are the same; the egg is the only real difference. Add one to these dippers and you've made the madame version.
Q: Can I make cheese and ham toasties dippers ahead of time?
Yes, you can assemble and chill the sandwiches up to 24 hours ahead, then cut and fry them right before serving. Fried dippers also reheat well in a 375°F (190°C) oven for 8 to 10 minutes. Don't fry them more than a few hours ahead if you want that crackly crust.
Q: How do I stop the cheese from leaking out while frying?
Press the sandwiches firmly and chill them for at least 15 minutes before cutting, then seal the cut edges with your fingers. The egg in the cheese mix also acts as a binder. Keep the oil at 350°F (175°C); too hot and the cheese blows out before the bread sets.
Q: What cheese melts best for croque monsieur dippers?
Gruyère mixed with low-moisture mozzarella gives you the best of both: nutty flavor and a long, stringy pull. Avoid fresh mozzarella, which releases water and makes the bread soggy. Comté or Emmental are solid swaps for the Gruyère.
Q: Can I bake these instead of frying them?
Yes, bake them on a wire rack over a sheet pan at 425°F (220°C) for 12 to 15 minutes, flipping once, until golden and bubbling. They'll be crisp but slightly less rich than fried. Brush them with melted butter first for better browning.
Get the skillet on the heat, press those sandwiches, and don't skip the chill. Make these tonight, dunk them in that mustard mayo, and tell me on the next post whether you went croque madame. See you in the bike lane.
Cheese and Ham Toasties Dippers aka Croque Monsieur Dippers
Cheese and ham toasties dippers turn croque monsieur into crispy golden sticks with molten Gruyère and smoky ham, ready for dunking in mustard dip.
🧂 Ingredients
- 12 slices soft white sandwich bread (about 1/2 inch thick)
- 10 oz (280g) Gruyère cheese, coarsely grated
- 8 oz (225g) thinly sliced smoked cooked ham
- 4 tbsp (56g) unsalted butter, softened, divided
- 2 tbsp (30g) Dijon mustard
- 1/4 cup (60g) mayonnaise
- 1 large egg
- 6 oz (170g) low-moisture mozzarella, shredded
- 1/2 tsp freshly ground black pepper
- 1/2 cup (120ml) neutral oil, for shallow frying
📋 Instructions
- 1Mix the Cheese Filling — In a bowl, stir together the Gruyère, mozzarella, egg, and black pepper until it looks like a thick, cohesive paste. This is your glue and your flavor, so get it evenly combined.
- 2Build the Sandwiches — Spread a thin layer of Dijon on 6 bread slices, then pile on the ham in loose folds. Spread the cheese mixture over the remaining 6 slices and close the sandwiches, cheese side facing the ham.
- 3Press and Chill — Set the sandwiches on a tray, cover with parchment and a second tray, and weigh it down with a couple of cans for 10 minutes. Then slide the tray into the fridge for 15 minutes so the cheese firms up.
- 4Make the Mustard Dip — While they chill, whisk the mayonnaise with 1 tablespoon of Dijon and a squeeze of lemon if you have one. Taste it. It should be sharp enough to make you blink once.
- 5Trim and Cut — Trim the crusts with a serrated knife, then cut each sandwich into 3 even sticks, about 1 inch wide. Press the cut edges gently so no cheese escapes.
- 6Heat the Oil — Pour the neutral oil into a heavy skillet to a depth of about 1/2 inch and heat over medium to 350°F (175°C). A bread cube should sizzle steadily and brown in about 45 seconds.
- 7Fry the Dippers — Fry the sticks in batches for 2 to 3 minutes per side, turning with tongs, until deep golden brown and the cheese bubbles at the edges. The internal cheese should read 145°F (63°C) on a thermometer.
- 8Drain and Serve — Lift the dippers onto a wire rack, sprinkle with flaky salt, and rest 2 minutes. Serve hot with the mustard dip, because cold dippers are a tragedy you can avoid.
