100% Millet Sourdough (Gluten-Free & Vegan)

Name: 100% Millet Sourdough (Gluten-Free & Vegan)
Prep time: 10 min
Cook time: 1 h
Total time: 1 h 10 min
Cuisine: American, European
Ingredients: 100 grams active gluten-free sourdough starter; 100 grams millet flour; 60-80 grams water, (warm, not hot); 26 grams whole psyllium husk, (or 22g of coarsely ground psyllium powder); 425 grams water, (warm, not hot); 15 grams sugar, (honey or maple syrup can be used instead); 12 grams apple cider vinegar, (white or wine vinegar can be used instead); 300 grams millet flour; 12 grams salt; linseed or sesame seeds, (optional)