Mini Apple Croissants

Mini croissants that bring a touch of comfort to any table. That is exactly what these are: one sheet of puff pastry, one apple cooked down with butter and cinnamon, rolled into seven little croissants, golden and puffed, dusted with powdered sugar.

They are small on purpose. A full-size croissant is a project; a mini one is a snack, a breakfast treat, a thing you make on a quiet afternoon and eat warm from the tray. And the technique is clever — three triangles layered together make a croissant that is wider and flakier than a single triangle could ever be.

If you have a sheet of puff pastry in the freezer and an apple on the counter, you are most of the way there already.

Why You’ll Love This Recipe

• One apple, one sheet of pastry: The filling uses a single apple, so this is a use-up-what-you-have recipe.
• The filling is cooked, not raw: A quick 2–3 minutes in the pan with butter, sugar and cinnamon, thickened with a little cornstarch, means the filling stays put and never makes the pastry soggy.
• The three-triangle trick: Layering three triangles slightly overlapping gives you a wider, flakier croissant — and it uses up the whole sheet with nothing wasted.
• Seven little croissants: Small enough for a snack, pretty enough for a table, and they bake in under 25 minutes.
• Cozy and simple: Butter, cinnamon, apple, powdered sugar. Nothing fancy, everything familiar.

Ingredients

Makes about 7 pieces

For the croissants

• 1 sheet puff pastry (store-bought)
• 1 egg yolk + 1 tbsp milk (for brushing)

For the apple filling

• 1 apple (e.g. Elstar, Gala)
• 10 g butter (about 1 tbsp)
• 15 g sugar (1 heaping tbsp)
• ¼ tsp cinnamon
• 1 tsp lemon juice
• ½ tsp cornstarch
• ½ tbsp water

For dusting

• Powdered sugar

Step-by-Step Method

1. Heat the oven and line the tray

Preheat the oven to 180 °C / 350 °F, top and bottom heat. Line a baking sheet with parchment paper. The parchment matters here — the filling is sweet, and anything that leaks will stick to a bare tray.

2. Cook the apple filling — and let it cool completely

Peel and finely dice the apple. Melt the butter in a pan, add the apple, sugar, cinnamon and lemon juice, and cook for 2–3 minutes, just until the apple starts to soften. Mix the cornstarch with the water, stir it in, and cook for 1 more minute until lightly thickened.

Then — this is important — let the filling cool completely before you use it. Warm filling melts the pastry and makes it impossible to roll neatly. While it cools, you can cut the pastry.

3. Cut the pastry into triangles

Unroll the puff pastry and cut it in half crosswise, creating 2 long strips. Cut triangles from both strips, each with a base approx. 7 cm (2.7 in) wide. Keep the pastry cold while you work — if it softens on the counter, pop it back in the fridge for 10 minutes before cutting.

4. Layer the triangles and add the filling

For each croissant, place 3 triangles slightly overlapping, pressing the seams gently so they hold together. This is the trick that makes them wide and flaky instead of thin and tight. Place 1 heaping teaspoon of apple filling onto the wide end of the layered triangles — no more, or it will squeeze out when you roll.

5. Roll up tightly, tip down

Roll up tightly from the wide end and place the croissant on the tray with the tip facing down. Tucking the tip underneath is what keeps the croissant from unrolling in the oven — a tip left on top will lift and open as the pastry puffs.

6. Brush and bake

Brush the tops with the egg yolk–milk mixture. This is what gives the croissants their golden shine. Bake for 18–22 minutes until golden and puffed. They should be deeply golden on top and crisp underneath — lift one gently to check the bottom if you are unsure.

7. Cool slightly and dust

Let the croissants cool slightly on the tray, then dust lightly with powdered sugar. Serve warm, or at room temperature.

Tips for Best Results

• Let the filling cool completely: Warm filling melts the butter layers in the pastry before it ever reaches the oven, and the croissants bake flat instead of puffing.
• Dice the apple finely: Small pieces cook faster, thicken better with the cornstarch, and stay inside the roll instead of poking through.
• Don’t overfill: One heaping teaspoon per croissant is enough. More filling leaks out, burns on the tray, and leaves the croissant hollow.
• Keep the pastry cold: Chilled puff pastry cuts cleanly and puffs properly. If it goes soft, chill it again before cutting.
• Tip down, always: The tip underneath the croissant is what holds the roll together while it bakes.

Variations

• A different apple: Elstar and Gala are sweet and hold their shape; Granny Smith works too if you like a sharper filling — add a touch more sugar.
• A pinch of nutmeg: A little nutmeg alongside the cinnamon makes the filling warmer and more autumnal.
• A drizzle instead of a dusting: Skip the powdered sugar and drizzle a thin glaze of powdered sugar and milk over the cooled croissants.
• Add a few raisins: A spoonful of small raisins stirred into the filling makes them a little more like a bakery apple croissant.

Storage

Mini apple croissants are best the day they are baked, while the pastry is still crisp. Store any leftovers in an airtight container at room temperature for up to a day, or in the fridge for 2 days — reheat in a 350 °F oven for a few minutes to bring back the crispness. The microwave will soften the pastry, so avoid it if you can.

FAQ

Why did my croissants unroll in the oven?
The tip wasn’t tucked underneath. Place each croissant on the tray with the tip facing down, and roll tightly from the wide end.

Why is my filling leaking out?
Either too much filling, or the filling was still warm when you rolled. One heaping teaspoon per croissant, and let it cool completely first.

Can I make the filling ahead?
Yes — cook it, cool it, and keep it in the fridge for up to 2 days. Bring it back to room temperature before rolling, but don’t warm it.

Can I use a different pastry?
This recipe is built for puff pastry, which gives the flaky layers. Crescent dough would work in a pinch, but the result is softer and less crisp.

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