Apple Pie Bars with Crumble Topping - Master recipes

Ingredients

• For the crust and topping: -
• 2 cups (280 g) all-purpose flour -
• 1 1/2 cups (180 g) rolled oats -
• 1 cup (200 g) white sugar -
• 1 teaspoon baking powder -
• 1/4 teaspoon kosher salt -
• 1 cup (225 g) cold unsalted butter -
• 1 large egg -
• 3/4 cup (80 g) pecans, chopped -
• 1 teaspoon ground cinnamon -
• For the Filling: -
• 2 1/2 pounds apples, about 5 medium to large apples -
• 2 tablespoons apple cider vinegar -
• 1/4 cup (50 g) white sugar -
• 2 tablespoons dark brown sugar -
• 2 tablespoons all-purpose flour -
• 1 teaspoon vanilla extract -
• 1/2 teaspoon ground nutmeg -
• To finish: -
• Powdered sugar -