Add yeast to warm water and stir to combine.
Allow yeast to bloom, about 5 minutes.
Stir together flour and salt in a large mixing bowl.
Add the yeast water to the dry ingredients.
Stir together until you have a shaggy dough.
Cover bowl with a towel and allow dough to rise for 3-5 hours.
Place an empty Dutch oven pot in the oven and preheat to 450℉.
Lightly flour your work surface and transfer the dough from the bowl onto the floured surface.
Pat dough out into a square.
Place ½ the shedded cheese onto the dough in an even layer.
Top with ½ the sliced green onions.
Fold corners of the dough into the center.
Flatten dough out into a square.
Top with the remaining shredded cheese and green onions.
Fold corners into the center.
Cup dough with your hands and gently form dough into a ball.
Transfer dough ball onto a sheet of parchment paper.
Remove Dutch oven from the oven.
Grab the four corners of the parchment paper and carefully lower the dough into the Dutch oven pot. Cover with the lid.
Bake covered for 30 minutes.
Removed lid and bake for an additional 15-30 minutes.
Loaf is done when it sounds hollow when tapped and crust is golden brown.
Carefully remove loaf from the Dutch oven pot and place it on a rack to cool.
Cool completely before slicing the loaf.