01 - Combine active sourdough starter with warm water in a large bowl, stirring until completely dissolved.
02 - Add bread flour, granulated sugar, salt, honey, chopped pistachios, and freeze-dried raspberries to the starter mixture. Mix until a shaggy, uneven dough forms.
03 - Turn dough onto a lightly floured surface and knead for 8 to 10 minutes until smooth and elastic with proper gluten development.
04 - Place dough in a lightly oiled bowl, cover, and ferment at room temperature for 8 to 12 hours or overnight until doubled in size.
05 - Turn dough onto a floured surface, divide into 8 equal pieces, and shape each into a smooth ball. Poke a hole through the center of each ball and gently stretch to form the classic bagel ring shape.
06 - Arrange shaped bagels on a parchment-lined baking tray, cover, and let rest for 45 to 60 minutes until slightly puffed.
07 - Preheat oven to 425°F. Bring poaching liquid to a gentle simmer in a large pot.
08 - Carefully drop bagels into simmering water in batches, poaching for 45 seconds per side. Remove with a slotted spoon and return to the baking tray.
09 - Sprinkle bagels with additional chopped pistachios and freeze-dried raspberry pieces while still damp from poaching.
10 - Bake for 20 to 22 minutes until golden brown and cooked through. Transfer to wire racks to cool completely before serving.