01 - In a large mixing bowl, whisk together the active sourdough starter and warm water until fully dissolved and combined.
02 - Add bread flour, granulated sugar, salt, honey, chopped pistachios, and freeze-dried raspberries to the starter mixture. Mix thoroughly until a shaggy, cohesive dough forms.
03 - Transfer dough to a lightly floured work surface. Knead by hand for 8 to 10 minutes until the dough becomes smooth, elastic, and passes the windowpane test.
04 - Place kneaded dough in a lightly oiled bowl, cover with plastic wrap or a damp cloth, and ferment at room temperature for 8 to 12 hours or overnight until doubled in volume.
05 - Turn fermented dough onto a flour-dusted surface. Divide into 8 equal portions using a dough scraper. Shape each portion into a tight, smooth ball.
06 - Poke a hole through the center of each dough ball with your thumb. Gently stretch and rotate to enlarge the hole, forming a classic bagel ring. Place on a parchment-lined baking sheet, cover, and rest for 45 to 60 minutes until slightly puffed.
07 - Preheat oven to 425°F. In a large pot, combine water, baking soda, and honey. Bring poaching liquid to a gentle simmer over medium heat.
08 - Carefully drop rested bagels into simmering liquid, working in batches to avoid overcrowding. Poach for 45 seconds per side. Remove with a slotted spoon and return to the prepared baking sheet.
09 - While bagels are still damp from poaching, sprinkle generously with additional chopped pistachios and freeze-dried raspberry pieces for extra color and crunch.
10 - Transfer tray to preheated oven and bake for 20 to 22 minutes until bagels achieve a deep golden brown exterior. Cool completely on wire racks before slicing and serving.