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.
Lightly flour your work surface and transfer the dough from the bowl onto the floured surface.
Gently stretch dough out into a square.
Sprinkle 1 tsp chopped rosemary onto the dough in an even layer.
Top with ½ the minced garlic.
Fold corners of the dough into the center.
Gently stretch dough out into a square.
Sprinkle 1 tsp chopped rosemary onto the dough in an even layer.
Top with the remaining minced garlic.
Top with the remaining minced garlic.
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. Allow dough to rest for 30 minutes while oven preheats.
Place an empty Dutch oven pot in the oven and preheat to 450℉.
Brush loaf with olive oil.
Sprinkle remaining ½ tsp chopped rosemary onto the top of the loaf.
Sprinkle the top of the loaf with coarse salt.
Score an “X” onto the top of the loaf with a sharp knife.
Remove Dutch oven pan 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 loaf, covered for 30 minutes.
Removed lid and bake for an additional 10-20 minutes. The longer the loaf bakes uncovered the crunchier the crust will be.
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.