Add warm water and yeast to a large bowl. Stir and mix. Allow yeast to proof for five minutes.

Stir sugar, flour, olive oil, and salt into yeast water. Mix until fully incorporated.

Transfer the dough to a lightly floured flat surface and knead for 10 minutes.

Transfer dough ball to a lightly oiled bowl. Cover with a clean towel for 1 hour, or until it's doubled in size.

Melt butter in a medium saucepan over high heat. When butter is melted, add the sugar, water, and diced apples. Cook and stir until sugar is melted, about 3 minutes.

Turn heat to medium-low and consistently stir apple mixture while cooking for 8 minutes.

Add the cinnamon and cook/stir 1 minute longer. Remove from heat and let cool for 20 minutes. Place in storage container and cool for 1 hour.

Roll dough with a rolling pin until 8 inches in diameter.

Dust air fryer pan with cornmeal and transfer dough to pan. Press to flatten down on the bottom of the pan.

Cook dough for 4 minutes.

While dough is cooking, in a large bowl, mix the caramelized apples, 3 tablespoons of melted butter, and ¼ cup brown sugar.

Remove dough from air fryer and top with ¼ of the apple topping. Return to air fryer and cook another 4 minutes.

Repeat steps for each pizza.

While pizza is cooking, add frosting ingredients to a bowl and mix to combine. Once all pizzas are cooked and cooled, drizzle frosting on pizzas.