Cut in the cold butter until the mixture resembles coarse crumbs.
Mix in:
Sugar
Egg yolks
Sour cream
Vanilla
Knead gently until a smooth dough forms.
Wrap and refrigerate for 30 minutes.
Step 2: Prepare the Baking Pan
Preheat the oven to 350°F (175°C).
Grease and line a 9×13-inch (23×33 cm) baking pan with parchment paper.
Roll the chilled dough into a rectangle and press it evenly into the prepared pan.
Prick the surface with a fork.
Bake for 10–12 minutes until just lightly golden.
Step 3: Prepare the Filling
In a bowl, mix together:
Ground walnuts
Sugar
Cinnamon
Lemon zest
Spread the apricot jam evenly over the partially baked crust.
Sprinkle the walnut mixture evenly over the jam.
Step 4: Make the Walnut Meringue
Beat the egg whites until soft peaks form.
Gradually add the sugar, beating until stiff and glossy.
Fold in the ground walnuts gently.
Spread the walnut meringue evenly over the filling.
Step 5: Bake
Return the pan to the oven and bake for 25–30 minutes, or until the meringue is lightly golden and crisp.
Allow the cake to cool completely before slicing.
Step 6: Serve
Cut into squares or rectangles.
Dust lightly with powdered sugar if desired.
Serve with coffee or tea.
Tips for Perfect Walnut Jam Bars
Use high-quality apricot jam for the most authentic flavor.
Chill the dough before rolling to make it easier to handle.
Avoid overbaking the meringue to keep it light and crisp.
Let the bars cool completely before cutting for neat slices.
The flavor improves after resting overnight.
Serving Suggestions
Pair these bars with:
Coffee
Espresso
Black tea
Hot chocolate
Vanilla ice cream
Fresh whipped cream
Storage
Room Temperature: Store in an airtight container for up to 4 days.
Refrigerator: Up to 1 week.
Freezer: Freeze for up to 3 months. Thaw overnight before serving.
Frequently Asked Questions
What is Diós Lekváros Szelet?
It is a traditional Hungarian layered dessert made with buttery pastry, apricot jam, sweet walnuts, and a walnut meringue topping.
Can I use a different jam?
Yes. Raspberry, plum, or peach jam are excellent alternatives, although apricot jam is the traditional choice.
Can I make it ahead?
Absolutely! The bars taste even better the next day after the layers have settled and the flavors have blended.
Can I use store-bought ground walnuts?
Yes, but freshly ground walnuts provide the best flavor and texture.
Nutrition (Per Bar)
Calories: 290
Carbohydrates: 30g
Protein: 5g
Fat: 17g
Saturated Fat: 6g
Fiber: 2g
Sugar: 18g
Final Thoughts
Traditional Hungarian Walnut Jam Bars (Diós Lekváros Szelet) are a timeless dessert that perfectly combines a buttery shortcrust, tangy apricot jam, rich walnut filling, and a delicate walnut meringue topping. Whether served during the holidays, shared with guests, or enjoyed alongside a cup of coffee, these elegant bars are a delicious way to experience the warmth and tradition of Hungarian baking.
