Oatmeal Crumble Apple Pie


Oatmeal Crumble Apple Pie is a delicious dessert recipe. I love the crumbly dough topping, the sweet and juicy apple filling, and the gooey caramel sauce! Why hello there. Today I’m going to teach you how to make my Oatmeal Crumble Apple Pie recipe. It’s easy, delicious, and will certainly bring a touch of fall flavor to any fall-themed dinner!


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Original recipe yields 8 servingsApple Pie:

  • 5 cups apples – peeled, cored and sliced
  • ⅔ cup white sugar
  • 2 tablespoons all-purpose flour
  • ½ teaspoon ground cinnamon
  • ¼ teaspoon ground nutmeg
  • ¼ teaspoon ground allspice
  • 1 (9 inch) frozen pie crust
  • 2 tablespoons butter
  • aluminum foil

Streusel Topping:

  • ¾ cup all-purpose flour
  • ¾ cup rolled oats
  • ½ cup packed brown sugar
  • 1 teaspoon lemon zest
  • ½ teaspoon ground cinnamon
  • ½ cup butter


Instructions Checklist

  • First, preheat the oven to 425 degrees Fahrenheit (220 degrees C).
  • Put apple slices in a big basin and proceed to step 2 to make the apple pie. In a another bowl, combine the white sugar, 2 tablespoons of flour, 1/2 teaspoon each of cinnamon, nutmeg, and allspice. Sprinkle the mixture over the apples and toss to coat them evenly.
  • Step 3: Take the pie shell out of the freezer, fill it with the apple mixture, and top it with 2 tablespoons of butter. Place a thin layer of aluminum foil on top of the filling; do not seal.
  • Step 4Bake the pie for 10 minutes in the preheated oven.
  • Step 5Make the streusel topping in the meantime: In a larger bowl, combine 3/4 cup flour, 1/2 teaspoon cinnamon, lemon zest, brown sugar, and oats. Once the mixture is crumbly, cut in 1/2 cup of butter. Pie should be taken out of the oven with streusel on top.
  • Step 6: Lower the temperature to 375° F. (190 degrees C). Pie should continue baking in the preheated oven for an additional 30 to 35 minutes, or until apples are soft. Aluminum foil should be used loosely to prevent overbrowning.

Apple Pie with Oatmeal Cookie Crumble

With a flaky crust, delectable apple pie filling, and oatmeal crumble topping, Apple Crumb Pie is a simple pie recipe. It’s like making the tastiest dessert ever by combining oatmeal cookies with traditional apple pie.

Oatmeal crumble topping on apple pie

I love pies and cookies, therefore I created an incredible pie called apple crumble pie by combining two timeless recipes. This recipe for oatmeal crumble will be a favorite if you enjoy both oatmeal cookies and apple pie.

For this recipe, you may either create my favorite pie crust from scratch or, for simplicity, buy pie dough from the store. All of the filling’s ingredients are apples: soft apples that have been sweetened with brown sugar and flavored with cinnamon. In other words, a traditional pie filling that is always satisfying.

Because Granny Smith apples are crisp and tart and go well with the sweet, sugary oatmeal topping, I prefer to use them in this pie. The texture combo is perfect here!

Why this recipe is great

I adore this recipe because it has the flaky bottom crust and crumbled oats topping of a crumble but is baked into a pie. It resembles several delicacies rolled up in a single pie.

This recipe calls for filling a pie crust with apple filling, followed by an oat-based crumble topping. This oatmeal crumble apple pie is really easy to make and raises the bar for apple pie.

Ingredients in Oatmeal Crumble Topping for Pie

  • All-purpose flour: Be sure to measure it correctly.
  • Quick-cooking oats: If you don’t have them, you can make your own quick oats.
  • Brown sugar: Packed, always!
  • Ground cinnamon: A must in apple pie!
  • Diced unsalted butter: Be sure to use unsalted, or omit the salt.
  • Salt

How to make Oatmeal Crumble Topping

  • In a sizable basin, mix the flour, brown sugar, oats, cinnamon, and salt. Cut the diced butter into the dry ingredients before adding it.
  • Once you’ve made your oatmeal-based crumble pie topping, sprinkle it over the prepared apple pie, and then bake it!

Storing and Freezing Instructions

You may keep the apple crumb pie in the fridge for up to three days after it has cooled to room temperature.

The baked pie can also be frozen for up to three months. Before serving, keep it tightly wrapped in plastic wrap and thaw it at room temperature or in the refrigerator.

Expert Tips

  • You can make quick-cook oats even if you just have old-fashioned oats on hand! After processing them briefly in a food processor to break them down, measure the specified quantity in the recipe.
  • The traditional combination of apples and cinnamon can also be made with the same amount of nutmeg, cloves, or allspice. Alternately, consider using pumpkin or apple pie spice.
  • The simplest way to incorporate the butter while making the crumble oatmeal topping is with a pastry cutter. It’s a fantastic tool that makes the work a lot simpler.

Sheet Pan Apple Slab Pie with Oat Crumb Topping

What better way to celebrate the start of apple season than with a mouthwatering apple slab pie? This simple sheet pan apple pie is a fall favorite thanks to the gooey cinnamon and brown sugar apples baked on top of a buttery pie crust and finished with a delicious oat crumble.

side view of a serving spoon taking a slice of sheet plan apple pie

I never used to enjoy baked apple treats, but I’m so happy I did. There aren’t many foods as delectable as apple pie, but I can now indulge in caramel apple poke cake and autumnal caramel apple pecan cake.

A great dessert for any occasion is made up of sweet flavors, buttery crusts, and ooey apples flavored with cinnamon.

Some individuals, though, might not have the time to prepare an apple pie from scratch each and every time they desire one. Sheet pan apple pie comes in handy in this situation.

A sheet pan apple pie is exactly what it sounds like: a pre-made pie crust spread out on a baking sheet, topped with sweet and tart apples that have been thinly sliced and dusted with cinnamon and brown sugar before baking into soft beauties. Just the appropriate amount of crispiness forms around the pie crust’s edges. Not to mention the delicious buttery oat crumble topping created with toasty spices and oats.

The fact that this meal may be made entirely on a sheet pan is its best feature. No expensive machinery is required! Let’s get going.

Apple Slab Pie With Oat Topping Ingredients

The components you’ll need are listed below, along with some useful advice and potential replacements. For the complete recipe card with measurements and instructions, scroll all the way down.

For the apple pie

Pie crust – I use Pillsbury pie crust to keep things simple but you can make one from scratch.
Apples – You’ll need three pounds of apples. I use a mix of Granny Smith and galas. Peeling & slicing them is the most time consuming part of this recipe and even that goes pretty quickly.
Lemon juice – I always add lemon juice to apples to slow down the oxidation process. No one likes a brown apple!
Brown sugar – Light or dark will work, I used light.
Butter – I like to use salted because I really like a contrast of sweet to salty in my baked goods. You’ll melt it.
Cinnamon – Try to use a high quality cinnamon like ceylon for the best flavor.

For the oat crumble topping

Brown sugar – Again, light or dark will work here, too.
Old fashioned oats – Don’t use quick oats here, you’ll want old fashioned oats for the texture.
Flour – I’ve only tested with all-purpose white flour.
Cinnamon – Again, more cinnamon, so pick a high quality for the best flavor.
Salt – For balance and to bring out all the flavors.
Butter – You’ll melt the butter and drizzle it in to bind the crumble together.

How To Make Apple Slab Pie In A Sheet Pan

STEP ONE: To prepare the crust, place two pie crusts on top of one another on a surface that has been lightly dusted with flour. Roll it out to a sizable rectangle (at least 10″ x 15″) with a rolling pin. After lightly misting the baking sheet, press the crust into it and crimp any overhanging edges.

Step two is to wash, peel, and cut the apples into slices that are about 1/4 inch thick before putting them in a big dish. Add the salt, cinnamon, melted butter, brown sugar, and lemon juice and toss to combine.

Step three involves pouring the apples into the prepared crust and distributing them evenly. Bake at 425 degrees for 15 minutes with a foil cover.

How To Make The Apple Crumb Oat Topping

Step Four: Combine the remaining brown sugar, oats, flour, cinnamon, and salt in a medium mixing bowl and stir with a fork to make the oat crumb topping while the crust bakes. After that, add the melted butter and mix until crumbly.

Step five is to carefully remove the apples from the oven after the first 15 minutes and then evenly top them with crumble. Return the dish to the oven and bake for a further 15 to 20 minutes, or until the crumb topping is golden.

What to serve with your sheet pan apple pie

Vanilla bean ice cream served with a generous scoop is usually a hit. To make it a caramel apple slab pie, pour some caramel on top!

I don’t know about you, but there are times when I’ll organize an entire evening around a dessert, and this is one of those sweets!

Apple Slab Pie FAQs

Can you cook a pie on a cookie sheet?

You sure can! I use a 10″ x 15″ baking pan for this recipe and it turns out beautifully. Make sure it has a lip so you can form the crust.

If you’re making a traditional round pie, it is recommended to slide a cookie sheet under the pie plate so nothing spills over.

Can I use puff pastry instead of pie crust for this recipe?

Absolutely! If you prefer puff pastry to a traditional pie crust, you can switch out the two. You’ll want to watch it closely while it’s baking and turn the temp on your oven down a bit as the puff pastry will cook faster than the pie crust.

How do you know when apple pie is done?

The bottom crust will be golden around the edges, and the filling should be bubbling around the edges of the pie. The crumble topping should also be golden brown.

Do you need to cook apples before making pie?

Nope! You can add them to the pie raw, and they will cook in the oven.

How to serve apple pie?

This pie is great on its own but adding a scoop of vanilla ice cream, homemade whipped cream, or prepared whipped topping is highly recommended.
You can also go a step further and drizzle slices of pie with caramel sauce and add a sprinkle of toasted nuts like walnuts, pecans, or almonds.

What apples are best for apple pie?

The best apples will hold their shape when they bake and are tart or tart-sweet. Granny Smiths are always my first choice because they’re extra tart, balancing the sugar in the pie.
You can also use Golden Delicious, Pink Lady, Gala, or McIntosh.

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