Equipment
Ingredients
Pastry Base
- 320 g puff pastry, thawed but well chilled
- 1 egg, room temperature
- 15 ml whole milk
Fruit Filling
- 200 g yellow peach, sliced 5mm thick
- 150 g nectarine, sliced 5mm thick
- 120 g plum, sliced 5mm thick
- 100 g apricot, sliced 5mm thick
- 80 g rhubarb, thinly sliced on a diagonal
- 100 g blackberry, whole, rinsed and patted dry
- 50 g granulated sugar
- 15 g cornstarch
- 5 ml vanilla extract
- 1 g fine sea salt
Topping and Glaze
- 30 g turbinado sugar
- 20 g unsalted butter, chilled and diced into 5mm cubes
- 45 g apricot jam
- 15 ml water
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 458 kcal
- Protein
- 6 g
- Carbohydrates
- 57 g
- Fat
- 24 g
- Sugar
- 26 g
- Sodium
- 209 mg
- Potassium
- 303 mg
- Calcium
- 36 mg
- Iron
- 1.9 mg
- Magnesium
- 23 mg
- Phosphorus
- 69 mg
- Zinc
- 0.6 mg
- Water
- 126 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Preheat the oven to 200°C (400°F) with a heavy baking sheet positioned on the middle-lower rack.
Slice the yellow peach, nectarine, plum, and apricot into 5 mm uniform wedges, and slice the rhubarb diagonally into 3 mm pieces using a chef knife on a cutting board.
Mix the sliced peach, nectarine, plum, apricot, rhubarb, and blackberries with granulated sugar, cornstarch, vanilla extract, and fine sea salt in a mixing bowl until evenly coated.
Roll the chilled puff pastry sheet on a sheet of parchment paper using a rolling pin into a 25 by 35 cm rectangle.
Score a continuous border 2 cm inward from the edges of the rolled pastry using the tip of a chef knife, taking care to cut only halfway through the dough.
Dock the inner rectangle of the pastry thoroughly at 1 cm intervals using a fork, leaving the 2 cm scored border unpierced.
Whisk the egg and whole milk together vigorously in a small bowl with a whisk until thoroughly emulsified and smooth.
Glaze the 2 cm outer border of the pastry with the egg wash using a pastry brush, ensuring no liquid runs over the cut outer edges.
Assemble the macerated fruit slices, rhubarb, and whole blackberries within the docked center of the pastry in tightly shingled, overlapping rows.
Season the tart by scattering the turbinado sugar evenly across the assembled fruit and over the egg-washed pastry border.
Assemble the cold diced unsalted butter by scattering the cubes evenly across the fruit layer.
Bake the tart by sliding the parchment sheet directly onto the preheated baking sheet in the oven at 200°C (400°F) for 30 minutes until the border rises high, the egg wash cooks past 71°C (160°F), and the sugar caramelizes deeply.
Simmer the apricot jam and water together in a small saucepan over medium-low heat for 2 minutes, stirring with a whisk until fluid and bubbling.
Glaze the warm fruit surface generously with the hot apricot glaze using a clean pastry brush, avoiding the puffed outer crust.
Cool the tart by sliding the parchment onto a wire cooling rack for 25 minutes to allow fruit pectin and thickened juices to set.
Slice the rested tart into 6 equal rectangular portions using a sharp chef knife on a cutting board, cutting firmly in single downward motions.
Chef's Notes
- Always work with cold puff pastry; if the laminated butter layers warm up and melt before meeting oven heat, the pastry will turn heavy and greasy rather than puffing into crisp, airy layers.
- Baking the tart directly on a preheated baking tray mimics the high floor heat of a professional deck oven, driving rapid steam expansion and caramelizing the underside sugar efficiently.
- Turbinado sugar has larger, unrefined molasses crystals that resist dissolving immediately under fruit moisture, forming an audible crunch and rich caramelized crust during high-heat baking.
- Shingling stone fruit tightly compensates for shrinkage during roasting, preventing wide gaps from exposing the pastry floor to puddling juice.
Storage
Refrigerator: 3 days — Store cooled tart slices in an airtight container lined with paper towels to absorb excess moisture.
Freezer: 1 month — Freeze baked slices flat on a lined baking tray until solid, then wrap airtight in parchment and foil.
Reheating: Reheat uncovered on a baking sheet in an oven preheated to 180°C (350°F) for 8 to 10 minutes until pastry re-crisps and fruit warms through to an internal temperature of at least 74°C (165°F).
Troubleshooting
Pastry bottom is pale, soft, or soggy instead of shatteringly crisp
Cause: The baking sheet was not adequately preheated or fruit shed excessive liquid onto un-docked pastry
Fix: Transfer the tart back to the lowest oven rack at 200°C (400°F) for 4 to 6 minutes to bake the base directly
Prevention: Preheat the baking sheet thoroughly in the lower-middle zone of the oven and adhere strictly to the cornstarch measurement
Puffed border failed to rise and expand
Cause: Egg wash dripped down the cut exterior edges of the pastry sheet, welding laminated layers together
Fix: Cannot be fixed once baked, though the flavor and flakiness of the center remain delicious
Prevention: Apply egg wash carefully to the flat top of the perimeter border only, never brushing over the exposed cut sides
Turbinado sugar and crust edges brown too rapidly before fruit is tender
Cause: Oven hot spots or excessive top convection heat
Fix: Tent strips of aluminum foil loosely over the browned crust border for the remainder of baking time
Prevention: Position the tart in the lower third of the oven and distribute coarse sugar evenly across fruit rather than piling it on pastry rim
Cultural Context
Originating in French pâtisseries as the tarte fine, thin freeform tarts were developed by bakers seeking to highlight fleeting summer orchard harvests atop leftover laminated dough without requiring tart molds. The high-heat roasting of stone fruit against caramelized sugar echoes classic French fruit tarts like the tarte Tatin, celebrating natural sweetness and acidity in balance. Today, this effortless dessert has become a beloved centerpiece for festive summer gatherings such as Mother's Day and Fourth of July picnics.
