Ham and Cheese Puff Pastry Turnovers – Easy 50-Minute Win

The kitchen smells like a bakery the moment these hit the oven: buttery, nutty, and just a little sharp from the mustard. You hear the pastry sigh and crackle as it puffs into shattery layers, and you know the cheese inside has gone molten.

These turnovers are the answer to the 5 p.m. question, because frozen puff pastry does the hard work while you stir together a three-ingredient filling. You fold, crimp, brush, and bake, and in under an hour you have hand pies that taste like you spent the afternoon laminating dough.

They are sturdy enough for a lunchbox, elegant enough for a party platter, and forgiving enough that the first one always disappears before it cools. Taste as you go, then taste again.

About the Ingredients

2 sheets (about 17.3 oz / 490g total) frozen puff pastry, thawed

Look for all-butter puff pastry for the best flavor and rise; pepperidge Farm works fine, but check the label for butter as the first fat. If you only have phyllo, layer 6 buttered sheets instead, though the texture will be crisper and more fragile.

8 oz (225g) cooked ham, diced small

Use leftover baked ham or thick-cut deli ham rather than paper-thin slices, which turn watery. In a pinch, chopped smoked turkey or even crisped bacon works beautifully.

6 oz (170g) Gruyère cheese, coarsely grated

Gruyère melts into nutty, stretchy pools; swap in Swiss, Comté, or a sharp white cheddar if that is what your fridge holds. Grate it yourself so it melts smoothly instead of clumping.

3 tbsp (45g) Dijon mustard

Dijon brings the tang that cuts through the rich pastry; whole-grain mustard gives a lovely pop of texture. Honey mustard makes it sweeter and kid-friendlier.

2 tbsp (30g) unsalted butter, softened

Soft butter seals the pastry edges better than water and adds richness; salted butter is fine, just skip extra salt. You can also use a beaten egg for a glossier seal.

1 large egg, beaten with 1 tbsp water

The egg wash is what gives you that deep mahogany shine and helps the sugar-free crust brown evenly. A splash of milk works if you are out of eggs, though the shine will be softer.

1 tbsp fresh thyme leaves, chopped

Thyme echoes the ham and cheese like a charm; rosemary or a pinch of dried sage steps in nicely. Dried thyme works at half the amount.

1/2 tsp freshly ground black pepper

Fresh-cracked pepper blooms in the oven; white pepper keeps the filling looking clean and pale. Skip the salt, since ham and Gruyère are already salty.

1 tbsp all-purpose flour, for dusting

Just enough to keep the pastry from sticking; too much flour makes the crust tough. Use a light hand and brush off any excess.

Tips & Tricks

Keep the pastry cold

Work quickly and chill the assembled turnovers for 15 minutes before baking so the butter stays cold and the layers puff dramatically.

Drain the ham well

Pat diced ham dry with paper towels so the filling does not steam the pastry from the inside and leave soggy bottoms.

Seal like you mean it

Press out all the air and crimp the edges firmly with a fork, because trapped air pockets puff up and split the seams.

Do not overfill

Two heaping tablespoons per square is plenty; too much filling bursts the seams and leaks cheese onto the tray.

Step-by-Step Instructions

1. Heat the oven

Preheat your oven to 400°F (200°C) and line a large baking sheet with parchment paper. A fully hot oven is what makes the pastry shoot up into tall, flaky layers.

2. Mix the filling

In a bowl, stir together the diced ham, grated Gruyère, Dijon mustard, softened butter, thyme, and black pepper until evenly combined. Taste a tiny bit and adjust the pepper, remembering the ham brings plenty of salt.

3. Roll and cut

Lightly flour your counter and roll each puff pastry sheet into a 10-inch square, then cut each into four 5-inch squares. You should have eight squares total, ready for filling.

4. Fill the squares

Spoon about 2 heaping tablespoons of filling onto the lower half of each square, leaving a 1/2-inch border. Resist the urge to pile it higher, or the seams will split.

5. Fold and crimp

Fold the pastry over the filling to form a triangle and press the edges together with your fingers to push out the air. Crimp firmly with a fork, then brush the tops with the egg wash and cut three small vents.

6. Chill briefly

Slide the tray into the fridge for 15 minutes while the oven finishes heating. This quick chill keeps the butter solid so the layers separate into crisp, shattery sheets.

7. Bake until golden

Bake at 400°F (200°C) for 22 to 26 minutes, until the turnovers are deep golden brown and you can hear a faint crackle from the crust. If the tops brown too fast, tent loosely with foil.

8. Check and rest

Pull one turnover and check that the underside is dry and golden, not pale and doughy. Let the tray rest for 5 minutes before serving, so the cheese sets just enough to stay put.

Delicious Variations

Honey-Mustard Ham and Cheddar

Swap the Dijon for honey mustard and the Gruyère for sharp cheddar for a sweeter, kid-favorite twist.

Spinach and Ham Breakfast Turnovers

Add a handful of squeezed-dry chopped spinach and a pinch of nutmeg to the filling for a brunch-ready version.

Mini Party Bites

Cut the pastry into 2-inch squares, use 1 teaspoon of filling each, and bake at 400°F (200°C) for 14 to 16 minutes.

How to Store Ham and Cheese Puff Pastry Turnovers

Frequently Asked Questions

Grab a tray, thaw that pastry, and let your kitchen smell like a French bakery tonight. Make a double batch, because the first one always vanishes before dinner. Taste as you go, then taste again.

Ham and Cheese Puff Pastry Turnovers

Golden, flaky ham and cheese puff pastry turnovers with Gruyère and Dijon are an easy 50-minute win for lunchboxes, parties, and cozy weeknights.

★★★★½ 4.8 (187 ratings)

15 minPrep time35 minCook time6Servings285 kcalCalories

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🧂 Ingredients

• 2 sheets (about 17.3 oz / 490g total) frozen puff pastry, thawed
• 8 oz (225g) cooked ham, diced small
• 6 oz (170g) Gruyère cheese, coarsely grated
• 3 tbsp (45g) Dijon mustard
• 2 tbsp (30g) unsalted butter, softened
• 1 large egg, beaten with 1 tbsp water
• 1 tbsp fresh thyme leaves, chopped
• 1/2 tsp freshly ground black pepper
• 1 tbsp all-purpose flour, for dusting

📋 Instructions

1. 1Heat the oven — Preheat your oven to 400°F (200°C) and line a large baking sheet with parchment paper. A fully hot oven is what makes the pastry shoot up into tall, flaky layers.
2. 2Mix the filling — In a bowl, stir together the diced ham, grated Gruyère, Dijon mustard, softened butter, thyme, and black pepper until evenly combined. Taste a tiny bit and adjust the pepper, remembering the ham brings plenty of salt.
3. 3Roll and cut — Lightly flour your counter and roll each puff pastry sheet into a 10-inch square, then cut each into four 5-inch squares. You should have eight squares total, ready for filling.
4. 4Fill the squares — Spoon about 2 heaping tablespoons of filling onto the lower half of each square, leaving a 1/2-inch border. Resist the urge to pile it higher, or the seams will split.
5. 5Fold and crimp — Fold the pastry over the filling to form a triangle and press the edges together with your fingers to push out the air. Crimp firmly with a fork, then brush the tops with the egg wash and cut three small vents.
6. 6Chill briefly — Slide the tray into the fridge for 15 minutes while the oven finishes heating. This quick chill keeps the butter solid so the layers separate into crisp, shattery sheets.
7. 7Bake until golden — Bake at 400°F (200°C) for 22 to 26 minutes, until the turnovers are deep golden brown and you can hear a faint crackle from the crust. If the tops brown too fast, tent loosely with foil.
8. 8Check and rest — Pull one turnover and check that the underside is dry and golden, not pale and doughy. Let the tray rest for 5 minutes before serving, so the cheese sets just enough to stay put.

👨‍🍳 Chef's Note: If your ham is very salty, rinse and pat it dry before dicing, and go easy on the cheese. A little Dijon on the side for dipping never hurts.

Servings: 6

Cuisine: American

Course: Appetizer

Nutrition (per serving): 285 kcal · 12g protein · 22g carbs · 9g fat

Written by Priya Raghunathan

Priya writes about South Indian home cooking and the improvisation that happens in real kitchens, from quick weekday tiffins to slow weekend spreads. She is interested in how a single tempering of spices changes a dish and in adapting familiar recipes to what a cook has on hand. Her angle is playful, sensory recipe writing that treats cooking as something to tinker with.