Blackstone Monte Cristo (Ham, Turkey & Powdered Sugar)

The Monte Cristo is the sandwich that makes people stop mid-bite and ask what’s happening. Ham, turkey, and Swiss between two slices of bread — normal enough — then the whole thing gets dipped in egg batter and cooked like French toast, dusted with powdered sugar, and served with raspberry jam for dipping. Savory sandwich, sweet finish, and it absolutely works.

It also happens to be a flat-top natural. A Monte Cristo is traditionally deep-fried or pan-fried, both of which are fussy and greasy at home. A griddle cooks the egg-dipped exterior evenly across the full face of the sandwich with a fraction of the fat — the same reason the flat top beats a pan for French toast, applied to lunch.

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Ingredients

Makes 2 sandwiches:

• 4 slices sandwich bread (white, brioche, or Texas toast)
• 4 slices deli ham
• 4 slices deli turkey
• 4 slices Swiss cheese
• 2 eggs
• ¼ cup milk
• 1 tbsp butter
• Mayonnaise and Dijon mustard
• Powdered sugar, for dusting
• Raspberry jam, for serving

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Instructions

Step 1: Build the sandwiches

Spread mayo on one slice and Dijon on the other. Layer in this order: Swiss, ham, turkey, Swiss. Cheese on both the top and bottom is structural, not indulgent — as it melts it glues the meat to the bread, which keeps the sandwich from sliding apart during the flip.

Step 2: Mix the batter

Beat the eggs and milk together in a shallow dish wide enough to lay a whole sandwich in.

Step 3: Dip — briefly

Lay each sandwich in the batter, count to three, flip, count to three, and lift. That’s it. This is a dip, not a soak: the bread should be coated, not saturated. Over-soaked bread turns to pudding in the middle and never sets.

Step 4: Griddle at medium

Preheat to 350°F and melt the butter. Cook the sandwiches 3–4 minutes per side until the coating is deeply golden and set — it should look like French toast, because it is French toast. Medium heat matters here: too hot and the egg coating browns before the cheese in the center melts.

Step 5: Dust and serve

Move to a plate, dust generously with powdered sugar, and serve hot with raspberry jam on the side for dipping. Cut on the diagonal if you want the cheese pull.

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Tips

Don’t soak the bread. Three seconds a side. This is the mistake that ruins Monte Cristos — the egg batter should coat the outside, not soak into the middle where it can’t cook through.

Sturdy bread wins. Brioche and Texas toast hold up to the batter better than standard sandwich bread. Thin, soft bread tears when you lift it out of the egg.

The jam isn’t optional. It sounds like a bit until you try it — the raspberry against salty ham and mustard is the entire point of the sandwich. Serve it alongside for dipping rather than spreading it inside.

Press lightly, don’t smash. A light press with the spatula helps the sandwich make full contact with the steel. Real pressure squeezes the filling out the sides and into the batter coating, where it burns.

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More flat-top recipes: Blackstone Griddle Sandwiches · Blackstone French Toast · Cuban Sandwich · Grilled Cheese

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Frequently Asked Questions

What is a Monte Cristo sandwich?

A ham, turkey, and Swiss sandwich dipped in egg batter and cooked like French toast, then dusted with powdered sugar and served with raspberry jam. It’s a savory sandwich with a sweet exterior — traditionally deep-fried, but a griddle produces the same result with far less fat.

What temperature do you cook a Monte Cristo on a Blackstone?

350°F — medium heat, the same range as French toast. Hotter than that and the egg coating browns before the cheese in the center has melted. Cook 3–4 minutes per side until the exterior is deeply golden and fully set.

Why is my Monte Cristo soggy in the middle?

The bread soaked too long in the batter. Dip each side for about three seconds — enough to coat, not enough to saturate. Over-soaked bread can’t set during cooking and stays custardy inside. Sturdier bread like brioche or Texas toast also resists sogginess better.

Do you really serve a Monte Cristo with jam?

Yes, and it’s the defining feature. The raspberry jam against the salty ham, Dijon, and Swiss is what makes the sandwich distinctive rather than just a fried ham and cheese. Serve it on the side for dipping rather than spreading it inside, where it would make the bread wet.