Cast iron focaccia is the ultimate beginner-friendly bread. This no-mixer recipe uses a cast iron skillet that brings excellent heat transfer and high sides to this recipe. That along with a few key techniques translates to a crispier crust and fluffier interior than a traditional sheet tray can offer.
Measure 360g (1½ cups) warm water, sugar, olive oil, and bread flour into a medium bowl. Stir with a sturdy metal spoon until combined, then finish mixing with a wet hand. Cover and rest for 30 minutes.
After 30 minutes, mix together 20g warm water, yeast, and salt in a small container
Add the yeast-salt slurry to the dough then wet your hand and use a claw-like squeezing maneuver to mix until the salt and yeast are well combined with the hydrated flour and there are no large clumps, about a minute.
Cover and ferment at room temperature for 30 minutes.
30 minutes later, perform a strength-building fold. To do that, grab a section on one side of the dough and stretch it up until you meet resistance. Fold that stretched portion of dough across to the other side of the bowl.
Repeat this fold 4-5 more times around the bowl until you have a dough ball that's tucked into a little package.
Flip the dough over onto the folded seams and round off the dough ball by tucking the dough under itself as you rotate it from 10 o'clock to 2 o'clock to create surface tension.
If this is your first time mixing and stretching dough, watch the video version of this recipe above for a live demonstration of how I do this.
Cover the bowl and rest 30 more minutes.
30 Minutes later (or 60 Minutes after finishing the mix), complete a second strength-building fold. Same as before: grab a section on the side of the dough, stretch it up, fold over to the other side, rotate the bowl and repeat 4-5 times. You'll then round the dough again using a 10 to 2 o'clock tucking motion to create surface tension until the dough is a nice, tight ball
Cover the bowl and transfer to the fridge for 4-24 hours.
Pour about ¼ cup olive oil into a 12-inch cast iron skillet and then transfer the cold dough into the oiled pan, bottom side up.
Using oiled fingertips, dimple and gently stretch the dough out toward the edges of the pan. Don't force it. If it springs back, let it relax for a few minutes and try again.
Cover and place in a warm spot (ideally above 70°F/20°C) to proof for roughly 60 minutes.
If your house is cold, preheat your oven to 500°F/260°C early and put the cast iron on the stovetop
60 minutes later, drizzle the top of the dough with a touch more olive oil, then dimple the dough again with your fingertips 10-12 times, pressing all the way to the bottom of the pan.
Cover and proof for 30 more minutes or until the dough has doubled in size and looks buoyant full of air bubbles.
Preheat your oven to 500°F/260°C if you haven't already.
Sprinkle the top of the dough with flaky salt.
Bake for 15-18 minutes until the top is deeply golden brown on top and fully risen.
Immediately remove the focaccia from the pan and place on a cooling rack. to rest for at 15-20 minutes before cutting.