Lemon-zest biscotti with one end coated in a thin layer of white chocolate.
Lemon White Chocolate Biscotti
Follow the tray sizes, portions and baking intervals in the instructions below.
Allow about 185 minutes: 40 hands-on, 0 chilling or resting, 70 whole-batch cooking and 75 cooling/setting. Cooling includes tray rest. Follow the method for batch sizes and doneness cues.
Kitchen tools you’ll need
- Kitchen scale and US measuring cups and spoons
- Mixing bowls, whisk and sturdy spatula
- Two 13 × 18-inch rimmed baking sheets and parchment
- Cutting board, ruler and sharp serrated knife
- Cooling rack
- Microwave-safe bowl and small spoon for coating
Lemon-zest biscotti with one end coated in a thin layer of white chocolate.
Ingredients
Optional sprinkles are for decoration and are not included in the nutrition estimate. Spice weights are approximate.
Instructions
Prepare the dough
- 1Prepare the doughReserve all white chocolate for the finish. Rub lemon zest into granulated sugar until fragrant. Beat the scented sugar with softened butter until smooth, then mix in eggs and vanilla. Whisk flour, baking powder and salt separately and fold into the wet mixture just until cohesive. The dough contains lemon zest but no chocolate pieces.
Shape and bake the logs
- 2Shape and bake the logsHeat oven to 350°F (177°C) conventional or 325°F (163°C) fan while preparing the dough. Line two 13 × 18-inch baking sheets with parchment. Divide dough in half and form two logs on one sheet, each 10 inches long, 2 inches wide and about 3/4 inch high, leaving 4 inches between them. Shape with the spatula and clean hands without extra flour. Bake on the middle rack for 25–30 minutes until the tops are set and the centers resist a light press. Keep the second sheet for drying.
Rest and cut
- 3Rest and cutLet logs rest on the sheet for 15 minutes, counted in cooling time. Reduce oven to 300°F (149°C) conventional or 275°F (135°C) fan. Move logs to a board and use a sharp serrated knife with a gentle sawing motion. Cut on a shallow diagonal into 14 slices per log, approximately 5/8 inch thick, counting the end pieces. This makes 28 finished individual cookies.
Dry every slice
- 4Dry every sliceLay 14 slices cut-side down on each lined sheet. Bake one sheet for 10 minutes, turn each slice and bake for 10 more minutes. Repeat with the second sheet; drying both batches takes 40 minutes. Total oven time, including the first bake, is up to 70 minutes. The crumb should feel dry around the edges; the centers continue to firm as they cool.
Cool and finish
- 5Cool and finishCool on a rack for 30 minutes after the last drying tray. Melt the reserved white chocolate in a dry microwave-safe bowl at half power in 15-second bursts, stirring each time, just until smooth. Allow about 5 minutes of hands-on melting and coating, included in active time. Spoon and spread a thin coating over the last 1 inch at one end of every cookie, distributing all 142 g across 28 cookies and scraping the bowl. Set on parchment in a cool room for about 30 minutes. Cooling and setting total 75 minutes including the earlier 15-minute log rest.
Chef’s Science & Pro Tips
Ingredient science
Coat only fully cooled biscotti to keep the chocolate finish smooth.
Technique & texture
Spread the measured chocolate in a thin layer across all 28 cookies.
Finishing & serving
Use white chocolate containing cocoa butter, not unspecified confectionery coating.
Storage and make-ahead
| Method | How long | What to do |
|---|---|---|
| Room temperature | Up to 5 days | Keep in an airtight container in a cool, dry room, with parchment between chocolate-coated cookies. |
| Refrigerator | Not recommended for texture | Refrigerator humidity can soften the crisp crumb. Choose a cool pantry or freeze the baked cookies instead. |
| Freezer | Up to 1 month | For best appearance, freeze fully cooled cookies before coating, in a sealed freezer container. |
| Thawing | About 1 hour | Thaw in the closed container at room temperature; let condensation settle before opening. |
| Refreshing | Before serving | Refresh only uncoated cookies at 300°F (149°C) conventional or 275°F (135°C) fan for 5–8 minutes, cool completely, then apply the white chocolate. |
Notes
- Coat only fully cooled biscotti to keep the chocolate finish smooth. Spread the measured chocolate in a thin layer across all 28 cookies. Use white chocolate containing cocoa butter, not unspecified confectionery coating. This home formula has not been kitchen-tested.
Nutrition
Approximate nutrition per serving calculated from ingredient weights divided by 28; required fillings and toppings included, optional decorations excluded. Brands, unused coating and actual serving size affect the estimate.
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Frequently Asked Questions
Is there lemon curd in these?
No. Lemon zest flavors the baked dough; the only coating is white chocolate.
How much of each cookie is coated?
Coat the final 1 inch at one end, rather than half the length or the whole cookie.
Can I bake white chocolate into the dough instead?
That creates a different cookie and image. This formula reserves all 142 g for the coating.
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