Apple Buckle - Stephanie Izard

Ingredients

• ed lemon juice
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon rub #2
• 3 tablespoons cornstarch
• 1/2 cup lightly packed light brown sugar
• 1/2 cup graham cracker crumbs
• 3/4 cup oats
• pinch of salt
• 1 stick unsalted butter, cubed and chilled
• 2 1/4 cups all-purpose flour
• 1 tablespoon baking powder
• 3/4 teaspoon salt
• 1 stick unsalted butter, softened
• 1 1/4 cups sugar
• 3 large eggs
• 3/4 cup whole milk