Step 1

Preheat oven to 375 degrees and lightly grease an 18x13 inch sheet pan.

Step 2

Unroll the pie crusts. Place one on top of the other and use a rolling pin to roll out to 1/8 inch thick. Lay crust on the sheet pan and press into the edges of the pan.

Step 3

In a large bowl whisk together sugar, brown sugar, cinnamon , flour, nutmeg, salt, and vanilla. Add apples and toss to coat.

Step 4

Spread apple mixture evenly on top of the crust.

Step 5

Prepare the crumb mixture by whisking together flour, sugar, and cinnamon. Add the cubed butter and cut in with a fork or pastry cutter ( you can also smoosh it in with your fingers) til butting is dispersed throughout the sugar mixture. Sprinkle even over the apples.

Step 6

Bake for 40-45 minutes until the streusel topping starts browning and the apples are fork-tender.

Step 7

While pie is baking, prepare the glaze by mixing together the powdered sugar, maple syrup, maple extract, and enough milk to reach a pourable consistency.

Step 8

Drizzle glaze over the pie, cut into squares, and serve alone or topped with vanilla ice cream.