01 -
Set the broiler to high and move the oven rack to the top position.
02 -
Warm up your cast iron pan over medium heat, but don’t let it get too hot.
03 -
Evenly distribute the shredded cheeses over the whole skillet base.
04 -
Keep an eye on the cheese as it melts and starts bubbling—this takes about 2 to 3 minutes.
05 -
Let the bottom of the cheese cook until it turns crispy.
06 -
Take the skillet off the heat and give the cheese crust a couple minutes to firm up a bit.
07 -
Carefully smooth the marinara across the cooled cheese crust.
08 -
Spread your preferred toppings evenly over the sauce layer.
09 -
Slide the whole skillet under the broiler and heat for 2-3 minutes while keeping an eye on it.
10 -
Heat everything until the toppings are warm and cheese is gooey, but not browned too much.
11 -
Take the skillet out of the oven and leave it for 3-5 minutes to cool a little.
12 -
Let the cheese crust harden up before cutting into it.