
This is a much quicker version of the classic ham and cheese croissant. I love the combination of ham and cheese wrapped in rich pastry first thing in the morning. These palmiers fit the bill and are visually impressive to boot, puffing into beautifully caramelised love hearts in the oven. They are a firm favourite with everyone in our family.
1 quantity puff pastry, see my puff pastry recipe
40 g wholegrain mustard
200 g ham, sliced
150 g gruyère, thinly sliced
egg wash, see my egg wash recipe
60 g sesame seeds
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Put the on a lightly floured kitchen bench and roll it out into a rectangle measuring 36 × 45 cm (14¼ × 17¾ in) and 4 mm (⅛ in) thick. Lay the pastry so that one long side is parallel with the edge of the bench.
On one short side, mark four notches along the edge of the , starting from the bottom: at 8.5 cm (3¼ in), 17 cm (6¾ in), 19 cm (7½ in) and 27.5 cm (11 in). You will use these notches as a guide for filling and folding the palmiers.

Spread the evenly over the , avoiding the 2 cm (¾ in) strip between the middle two notches. Lay the over the pastry in two strips – one strip between the first and second notches and another strip between the third and fourth notches. Use half the ham for each strip. Lay the directly over the ham, again using half for each strip.

Lift up the bottom section of the nearest you and fold it over the and to meet the notch at 17 cm (6¾ in).

Lightly brush with . Fold the top section down to meet the notch at 19 cm (7½ in) and repeat the brushing.

Both strips of filling should now be covered in pastry, leaving a 2 cm (¾ in) gap in the middle.

Next, fold the top half down over the bottom half, using the 2 cm (¾ in) gap as a hinge.
Brush the exposed pastry with and sprinkle generously with . Gently turn the roll over and repeat on the other side, so the entire exposed surface of the pastry is well coated with seeds. Put the roll on a tray and refrigerate for 30 minutes to firm up the pastry – it will be easier to cut when chilled.

Line a large tray with baking paper. Use a sharp knife to trim the edges of the pastry roll, then cut 2 cm (¾ in) slices through the cross-section of the pastry.
Transfer the slices to the lined tray, taking care they don’t unravel. Chill for at least 30 minutes before baking. At this stage, you can wrap and freeze them until needed.
To bake the palmiers, preheat the oven to 190°C (375°F). Line as many baking trays with baking paper as required to fit the palmiers, spacing them 5 cm (2 in) apart so they can expand during baking.
Bake for 10 minutes, then reduce the oven to 180°C (360°F). Bake for a further 14–16 minutes, turning and swapping the trays halfway through, until the palmiers are golden and puffed to a lovely heart shape. Transfer to a wire rack to cool for 10 minutes, then eat on the same day.
Unless you are catering for a crowd, this recipe will provide more than you can eat in one sitting. I like to make a full batch and freeze some for a quick bake later. They will last for one month in the freezer.