01 - Whisk together flour, salt, and instant yeast in a large mixing bowl until thoroughly blended.
02 - Add grated cheddar to flour mixture and toss gently to distribute evenly throughout.
03 - Pour lukewarm water into bowl and mix with wooden spoon or spatula until shaggy, sticky dough forms.
04 - Cover bowl tightly with plastic wrap or clean towel. Let rise at room temperature 3–4 hours until doubled in size with surface bubbles.
05 - Preheat oven to 450°F. Place Dutch oven or heavy pot with lid inside to heat for at least 30 minutes.
06 - Lightly flour work surface and hands. Turn dough out, shape into round loaf, and place on parchment paper.
07 - Cover with towel and rest 20–30 minutes while oven continues heating.
08 - Using oven mitts, remove hot pot from oven. Lift dough with parchment paper and lower into pot.
09 - Cover with lid and bake for 30 minutes.
10 - Remove lid and bake 10–15 minutes longer until crust is deep golden and loaf sounds hollow when tapped. Transfer to wire rack and cool at least 30 minutes before slicing.