Step 1

In a large bowl, toss the apples with the lemon juice and granulated sugar.

Step 2

In 12" cast iron skillet, melt 2 tablespoons of butter.

Step 3

Add the apples (minus the liquid) to the skillet. Sprinkle with cinnamon.

Step 4

Cook apples over moderate heat, stirring occasionally, until soft (roughly 10 minutes).

Step 5

In medium bowl, add the flour, brown sugar, oats, salt, and the 1 stick of diced butter (sprinkle more cinnamon if desired).

Step 6

Using gloved hands or a fork, mix and cut the butter into the dry ingredients until the mixture resembles coarse meal.

Step 7

Scatter the topping over the apples.

Step 8

Bake the crisp at 350 F for 45 to 50 minutes, until the apples are bubbling and the topping is golden.

Step 9

Serve warm with vanilla bean ice cream.