Phyllo Walnut Pastry with Lemon Vanilla Syrup

Introduction

You build this pastry by brushing each sheet of phyllo with melted butter, adding the walnut, cinnamon, and clove filling in layers, then finishing it with cooled lemon-vanilla syrup over the hot baked pastry. The long, low bake at 300 °F gives you a crisp top and fully set layers, which makes it a good make-ahead dessert for holidays, gatherings, or a tray you want to portion over several days.

Recipe Details

• Prep Time: 35 minutes
• Cook Time: 1 hour 40 minutes
• Total Time: 2 hours 15 minutes
• Servings: 24

Ingredients

Pastry

• 1 pound (454 g) phyllo dough
• 4-5 cup walnuts, chopped coarsely
• ½ cup white granulated sugar
• ¼ tsp ground cloves
• 1 tsp cinnamon
• ¾ pound (340 g) sweet butter

Syrup

• 2 ½ cups of water
• 3 cups white granulated sugar
• 3 tsp lemon juice
• 1 tsp vanilla powder (use half this amount if you prefer less rich vanilla flavor)

Instructions

Pastry

1. Combine nuts, cinnamon, cloves, and sugar. Melt butter in a saucepan.
2. Use a pastry brush to brush inside of a 14 x 10.5-inch (36 x 27 cm) pan with melted butter.
3. Line bottom of pan with one piece of Phyllo dough. Fold under excess Phyllo.
4. Alternate sides with each piece of Phyllo, brushing the top of each layer with melted butter.
5. Repeat 5 times, making 5 layers.
6. On the 6th sheet, sprinkle evenly with nut mixture.
7. Continue until all nut mixture is used and last 6 buttered sheets of Phyllo form top crust.
8. Use a sharp knife to cut into diamond shapes.
9. Bake at 300 °F (150 °C) for about 1 ½ hours or until lightly brown.

Syrup

1. Combine syrup ingredients. Boil syrup for about 10 minutes and then allow to cool.
2. Pour cooled syrup over hot pastry. Enjoy!

Variations

• Swap the walnuts for pistachios for a slightly sweeter, softer filling and a more vivid color.
• Replace part of the walnuts with almonds if you want a firmer bite and a slightly drier, lighter nut filling.
• Change the vanilla powder (use half this amount if you prefer less rich vanilla flavor) in the syrup to orange blossom water for a more floral finish that shifts the pastry closer to classic baklava variations.
• Increase the lemon juice slightly if you want the syrup to taste less sweet and finish with a sharper citrus edge.
• Add a little more cinnamon to the nut mixture if you want the spice to read warmer and more pronounced against the syrup.

Tips for Success

• Keep the phyllo dough covered while you work so the sheets do not dry out and crack before layering.
• Brush each layer with melted butter all the way to the edges; dry corners tend to burn and separate instead of crisping evenly.
• Cut the diamond shapes before baking with a sharp knife and use steady pressure so you do not drag and tear the top phyllo layers.
• Bake until the top is lightly brown, not pale; underbaked phyllo softens too much once the syrup goes on.
• Make sure the syrup is cooled before you pour it over the hot pastry so the layers stay distinct instead of turning soggy.

Storage and Reheating

Store the pastry in an airtight container or cover the baking pan tightly with foil or a fitted lid. Keep it in the fridge for up to 1 week.

For longer storage, freeze pieces in a single layer until firm, then transfer them to a freezer-safe container with parchment between layers. Freeze for up to 2 months.

To reheat, use a 300 °F oven for 8 to 12 minutes until the pastry is lightly crisp again. You can also let it come to room temperature and serve it without reheating; microwave reheating is not ideal because it softens the phyllo.

FAQ

Can you make this ahead of time?

Yes. It actually improves after several hours because the syrup has time to soak into the cut layers. Make it the day before serving if you want cleaner, more defined pieces.

Why do you pour cooled syrup over hot pastry?

The temperature contrast helps the syrup absorb without turning the top completely soft. If both are hot, the pastry can become heavy and lose some of its layered texture.

Can you use a different nut instead of walnuts?

Yes. Pistachios or almonds work well and keep the structure of the recipe intact, but the flavor and richness will change depending on the nut you use.

How do you keep the phyllo from tearing while assembling?

Work with one sheet at a time and keep the remaining stack covered so it does not dry out. Small tears are usually fine once the layers are buttered and baked.