Apple Slab Pie

Ingredients

• 2 1/2 cups all purpose flour
• 8 oz unsalted cold butter, diced
• 6 tbsp iced water
• 1 tsp sugar
• 4-5 large Autumn Glory Apples
• 1 cup brown sugar
• 1 tsp cinnamon
• 1/4 tsp flaky sea salt
• 1 cup all purpose flour
• 1/2 cup cold butter, grated
• 1/4 cup sugar
• 1/4 cup brown sugar
• 1/4 cup rolled oats
• 1/2 tsp cinnamon
• 1 cup powdered sugar
• 3 tbsp milk
• 1 tsp vanilla extract