Apple Pie Bars

Bahan-bahan (12 porsi)

• 1 pound butter (4 sticks, softened)
• 3/4 cup white sugar
• 1/2 cup brown sugar (packed)
• 2 teaspoons vanilla
• 4 cups all-purpose flour
• 1 & 1/2 teaspoons kosher salt
• 1/2 cup chopped walnuts (or pecans)
• 1 teaspoon cinnamon (or up to 2 teaspoons)
• 1 teaspoon nutmeg
• 3 pounds apples (variety of types, peeled (Golden Delicious and Granny Smith are what I used))
• 2 tablespoons lemon juice (fresh)
• 1/4 cup white sugar
• 1 teaspoon cinnamon
• 1/2 teaspoon nutmeg
• 4 tablespoons butter (1/2 stick)