New York-Style Sourdough Bagels

Name: New York-Style Sourdough Bagels
Prep time: 30 min
Cook time: 25 min
Total time: 55 min
Cuisine: American
Ingredients: 50 g sourdough starter; 50 g flour; 50 g water; 440 g strong all-purpose flour or bread flour (with a protein level of at least 11%); 220 g water; 8 g salt; 12 g sugar; All the levain (around 120g active starter in total); 1.5 litres water; 1 Tbsp honey; Sesame and poppy seeds (optional)