Cast Iron Skillet Apple Crisp

Ingredients

• 2 tsp pumpkin pie spice
• 1 cup all-purpose flour
• 6 granny smith apples
• 1 tbsp fresh lemon juice
• 1/4 cup light brown sugar
• 1/4 tsp kosher salt
• 1 cup old-fashioned oats
• 1/4 cup granulated white sugar
• 1/3 cup light brown sugar
• 1/2 cup unsalted butter
• 2 tbsp unsalted butter
• 1/2 cup chopped pecans