01 - Combine sourdough starter with warm water in a large bowl. Stir until starter is completely dissolved.
02 - Add bread flour, sugar, salt, honey, chopped pistachios, and freeze-dried raspberries to the starter mixture. Mix until shaggy dough forms.
03 - Turn dough onto lightly floured surface. Knead for 8 to 10 minutes until smooth and elastic.
04 - Place dough in lightly oiled bowl. Cover and ferment at room temperature for 8 to 12 hours or overnight until doubled in size.
05 - Turn dough onto flour-dusted surface. Divide into 8 equal pieces. Shape each piece into a smooth ball.
06 - Poke hole through center of each ball. Gently stretch to form bagel shape. Place on parchment-lined tray. Cover and rest for 45 to 60 minutes until slightly puffed.
07 - Preheat oven to 425°F. Bring poaching liquid to simmer in large pot.
08 - Drop bagels into simmering water in batches. Poach 45 seconds per side. Remove with slotted spoon and return to tray.
09 - Sprinkle bagels with additional chopped pistachios and freeze-dried raspberry pieces.
10 - Bake for 20 to 22 minutes until golden brown. Cool on wire racks before serving.