In a mixing bowl, combine the active sourdough starter, warm water, avocado oil, and honey until smooth. Add the flour and salt, then cover and let it rest for 1 hour.
Perform 4 sets of stretch-and-folds, 30 minutes apart, to develop gluten and create a smooth dough.
Cover and let rise 4–8 hours, or overnight for a long fermentation process. The dough is ready when it's doubled, bubbly, and airy.
Shape dough like shown in the video, then place dough in a greased loaf pan seam side down.
Cover and let rise about 2 hours, until the dough is puffed up a bit. Don't skip this step or you can end up with gummy bread!
Preheat oven to 400°F (200°C). Score dough, and bake for 30 minutes then, reduce to 375°F for another 15 minutes.
Use a digital thermometer to check for doneness. Bread should be 205°F.
Remove from pan immediately and let cool before slicing.
Video
Notes
Make-Ahead Instructions: After the first proof, cover the bowl and refrigerate the dough overnight. Shape and bake the next morning or the following day after a short warm-up.
Storage Instructions: Store leftover bread in an airtight container or tightly wrapped in plastic wrap at room temperature for up to 3 days. For the best texture, warm them in the oven or microwave before serving.
Freezer Instructions: Cool completely, then wrap in aluminum foil and store in an airtight container or freezer bag for up to 3 months. Reheat in the oven for a few minutes before serving.