I'm new at this but this is one of my more successful attempts. Previously I had been baking sandwiche sourdough with a loaf pan which I think is easier than doing a boule.
65g starter 315g water 10g honey 240g bread flour 175g whole grain spelt 25g medium rye 9g salt 450°F 25 min 425°F 20 min
Must have been tasty with the honey, spelt and rye. Did you like the flavour?