High-Protein Apple Pie Overnight Oats

High-Protein Apple Pie Overnight Oats combine a creamy vanilla protein oat base with tender cinnamon-spiced apples. The oats are blended for a smooth, pudding-like texture, divided into individual containers, and refrigerated for at least four hours. Each serving gets its own layer or swirl of homemade apple pie filling. You can also leave half of the oats out and stir them in at the end, if you want more of a typical overnight oat texture.

This recipe brings the cozy flavors of apple pie into a make-ahead breakfast. Soft apples, brown “sugar” sweetener, butter, vanilla, and apple pie spice create a syrupy filling that tastes right at home with the cool, creamy oats.

The contrast is what makes these overnight oats especially satisfying. The blended base is thick and smooth, while the diced apples add small bites of texture. Add granola, nuts, cereal, fresh apple, or sugar-free caramel right before eating for another layer of crunch or sweetness.

Why You’ll Love These Apple Pie Overnight Oats

A creamy, pudding-like oat base

Blending the oats with almond milk, Greek yogurt, chia seeds, and protein powder changes the texture completely. Instead of distinct oat flakes, the finished base is thick, smooth, and creamy.

Homemade apple pie flavor

The apple filling is made with diced apples, brown Swerve, butter, apple pie spice, salt, and water. Heating the mixture softens the apples and creates a light syrup that can be stirred into the oats or layered through them.

Four make-ahead servings

The oat mixture is divided among four containers before the apple filling is added. This makes it practical to prepare several breakfasts at once and keep them refrigerated until needed.

Plenty of ways to add texture

The creamy oats and soft apples can be topped with granola, chopped nuts, crunchy cereal, fresh apple, or sugar-free caramel. Waiting to add crunchy toppings until serving keeps them from softening in the refrigerator. I prefer walnut pieces, whipped cream, and a sprinkle of apple pie spice.

Dessert-inspired without losing its breakfast appeal

Vanilla, apple pie spice, and sweet apples give this recipe the familiar character of apple pie. Greek yogurt, chia seeds, oats, and vanilla protein powder form the substantial breakfast base.

Ingredients for High-Protein Apple Pie Overnight Oats

For the apple pie filling

• 2 medium apples, peeled and diced small
• 2 to 3 tablespoons brown Swerve, or sweetener of choice, to taste
• 2 tablespoons water
• 1 teaspoon butter
• 1 teaspoon apple pie spice
• Pinch of salt
• ½ teaspoon vanilla extract, optional

For the creamy protein overnight oats base

• 1 cup old-fashioned oats
• 1½ cups unsweetened almond milk, or milk of choice
• 1 cup nonfat Greek yogurt
• 3 tablespoons chia seeds
• 3 scoops vanilla protein powder, or spice flavors would be nice
• 1 teaspoon vanilla extract
• ½ to ¾ teaspoon apple pie spice
• Pinch of salt
• Sweetener, to taste

Ingredient Notes

Apples

Peel (I don’t peel but you might prefer that texture) the apples and dice them into small pieces. Smaller pieces soften more quickly in the microwave and distribute more evenly among the four containers.

Brown Swerve or sweetener of choice

Use 2 to 3 tablespoons of brown Swerve, depending on how sweet you want the apple filling. The recipe also allows another sweetener of your choice.

Apple pie spice

Apple pie spice is used in both parts of the recipe. One teaspoon seasons the cooked apple filling, while ½ to ¾ teaspoon flavors the creamy oat base. Using it in both components carries the warm spice flavor through every bite.

Butter

One teaspoon of butter is added to the apples before they are microwaved. It becomes part of the syrupy mixture that coats the softened fruit.

Vanilla extract

Vanilla appears in both components. The ½ teaspoon added to the apple filling is optional, while 1 teaspoon is included in the oat base.

Old-fashioned oats

Old-fashioned oats form the base of the recipe. Because they are blended with the other ingredients, they create a smoother result than traditional overnight oats with visible oat flakes. If you prefer more of a traditional oat texture, leave out half and stir them in at the end.

Unsweetened almond milk

The recipe uses 1½ cups of unsweetened almond milk, but milk of choice may be used instead. I use half unsweetened almond milk and half fairlife milk.

Nonfat Greek yogurt

Greek yogurt adds body to the blended mixture and helps create its thick, creamy texture.

Chia seeds

Three tablespoons of chia seeds are blended into the oats. They help the mixture thicken while it rests in the refrigerator. And up the nutrition!

Vanilla protein powder

Three scoops of vanilla protein powder add protein and reinforce the vanilla flavor in the oat base. You can use any flavor that sounds good. 

Sweetener

Add sweetener to the oat mixture according to your taste. The right amount may depend on the sweetness of the apples and protein powder.

How to Make High-Protein Apple Pie Overnight Oats

1. Combine the apple filling ingredients

Add the diced apples, brown Swerve, water, butter, apple pie spice, and salt to a microwave-safe bowl.

2. Cook the apples

Microwave the apple mixture for 2 to 3 minutes. Stir, then continue microwaving in short intervals until the apples are softened and the mixture becomes syrupy.

3. Add the optional vanilla

Remove the bowl from the microwave. Stir in the optional ½ teaspoon of vanilla extract.

4. Cool the filling

Allow the apple pie filling to cool completely before adding it to the overnight oats. Cooling the filling keeps the warm apples from being added directly to the yogurt-based mixture.

5. Blend the protein oat base

Add the old-fashioned oats, almond milk, Greek yogurt, chia seeds, vanilla protein powder, vanilla extract, apple pie spice, salt, and sweetener to a blender.

Blend until the mixture is smooth and creamy.

6. Divide the oats

Pour or spoon the blended oat mixture evenly into four containers.

7. Add the apple pie filling

Spoon the cooled apple pie filling into each container. Stir it in completely for apples throughout the oats, or layer it to create an apple pie swirl. Another option is to add most of the apples to the oats and top with a little bit of the apples and the syrup.

8. Refrigerate

Cover the containers and refrigerate overnight or for at least four hours.

9. Add toppings before serving

Add any crunchy or fresh toppings right before eating so they keep their intended texture.

Tips for the Best Apple Pie Overnight Oats

• Dice the apples small. Small pieces soften quickly and provide apple flavor throughout each container.
• Microwave in short intervals after the initial cooking time. Stir and check the apples until they are soft and the liquid has become syrupy.
• Cool the apple filling completely. Do not spoon the hot filling directly into the oat base.
• Adjust the sweetness to taste. Use 2 to 3 tablespoons of brown Swerve or another sweetener in the apples, then sweeten the oat base to taste.
• Choose between mixed and layered oats. Stirring distributes the apples throughout each serving. Layering creates visible ribbons of filling.
• Wait to add anything crunchy. Granola, nuts, cereal, and fresh apple have the best texture when added immediately before eating.

Approved Substitutions

• Replace the unsweetened almond milk with another milk of choice.
• Use brown Swerve or another preferred sweetener in the apple filling.
• Adjust the apple filling sweetener between 2 and 3 tablespoons according to taste.
• Adjust the apple pie spice in the oat base between ½ and ¾ teaspoon.
• Add the optional vanilla extract to the apple filling or leave it out.
• Stir in sweetener of choice to adjust the oat base.

Other changes may affect the sweetness, consistency, or protein content, so they are not included as tested substitutions here.

Apple Pie Overnight Oats Topping Ideas

Toppings are optional, but they can add contrast to the creamy oats and tender apples.

• Granola: A sprinkle adds a pie-crust-like crunch. Add it immediately before eating.
• Pecans or walnuts: Chopped nuts complement the apples and warm spice while adding a crisp texture.
• Crushed on-plan cereal: Crushed cereal can be used when you want extra crunch. Choose a cereal that fits your preferred eating plan.
• Fresh diced apples: Top the oats with extra diced apples and a light sprinkle of apple pie spice.
• Sugar-free caramel: A drizzle gives the oats a more dessert-like finish.

How to Serve Apple Pie Overnight Oats

Serve the oats chilled, straight from the refrigerator, with your chosen toppings added at the last moment.

For the greatest textural contrast, pair the creamy oat base and soft apple filling with granola, chopped pecans, walnuts, or crushed cereal. Fresh diced apple gives each serving an additional crisp apple note. Sugar-free caramel leans further into the dessert-inspired flavor.

Because the recipe makes four servings, the oats can be assembled in individual containers for convenient refrigerated breakfasts.

Storing the Overnight Oats

Keep the assembled overnight oats covered and refrigerated. Store crunchy toppings separately and add them only when you are ready to eat.

The apple filling should be cooled completely before the containers are assembled and refrigerated.

Frequently Asked Questions

Do I have to blend the oats?

Blending is what gives this recipe its smooth, pudding-like consistency. Leaving the ingredients unblended would produce a different, more traditional overnight-oat texture.

How long do the oats need to chill?

Refrigerate the assembled oats overnight or for at least four hours.

Should the apple filling be mixed in or layered?

Either method works. Stir the filling into the base for apples throughout each serving, or layer it to create an apple pie swirl.

Why does the apple filling need to cool first?

The apple pie filling should cool completely before it is added to the Greek yogurt-based oat mixture. This prevents warm filling from being added directly to the cold base.

Can I use something besides almond milk?

Yes. The recipe allows unsweetened almond milk or another milk of choice.

Can I use a different sweetener?

Yes. Use brown Swerve or your sweetener of choice in the apple filling. The oat base can also be sweetened to taste.

When should I add granola or nuts?

Add crunchy toppings right before eating. Storing them in the oats overnight can make them soft.

How many servings does this recipe make?

The creamy protein overnight oats base makes four servings.

High-Protein Apple Pie Overnight Oats Recipe

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High-Protein Apple Pie Overnight Oats

High-Protein Apple Pie Overnight Oats combine a creamy vanilla protein oat base with tender cinnamon-spiced apples. The oats are blended for a smooth, pudding-like texture and divided into four make-ahead servings.

Servings 4 servings

Author Jennifer Overstreet

Ingredients

Apple Pie Filling

• 2 medium apples peeled and diced small
• 2–3 tablespoons brown Swerve or sweetener of choice, to taste
• 2 tablespoons water
• 1 teaspoon butter
• 1 teaspoon apple pie spice
• salt Pinch
• ½ teaspoon vanilla extract optional

Creamy Protein Overnight Oats Base

• 1 cup old-fashioned oats
• 1½ cups unsweetened almond milk or milk of choice
• 1 cup nonfat Greek yogurt
• 3 tablespoons chia seeds
• 3 scoops vanilla protein powder
• 1 teaspoon vanilla extract
• ½–¾ teaspoon apple pie spice
• salt Pinch
• sweetener to taste

Instructions

Apple Pie Filling

• Add diced apples, brown Swerve, water, butter, apple pie spice, and salt to a microwave-safe bowl.
• Microwave for 2–3 minutes, stir, and continue microwaving in short intervals until the apples are softened and the mixture becomes syrupy.
• Remove from the microwave and stir in the optional vanilla extract.
• Allow the apple pie filling to cool completely before adding it to the overnight oats.

Creamy Protein Overnight Oats Base

• Add the oats, milk, Greek yogurt, chia seeds, protein powder, vanilla extract, apple pie spice, salt, and sweetener to a blender.
• Blend until smooth and creamy.
• Divide the oat mixture into 4 containers.
• Spoon the cooled apple pie filling into each container. You can stir it in completely or layer it for an apple pie swirl.
• Refrigerate overnight or at least 4 hours.

Notes

Optional Apple Pie Toppings

• A sprinkle of granola for a ‘pie crust’ crunch
• Chopped pecans or walnuts
• Crushed on-plan cereal for extra crunch
• Extra diced apples sprinkled with apple pie spice
• Sugar-free caramel drizzle for a more dessert-like option

Tips

• Dice the apples small so they soften quickly and you get apple flavor in every bite.
• Let the apple filling cool completely before adding it to the oats.
• The apple pie spice in both the oats and filling gives the whole jar that classic baked apple pie flavor.
• Add crunchy toppings right before eating so they don’t soften overnight.

Final Thoughts

High-Protein Apple Pie Overnight Oats combine smooth vanilla protein oats with soft, syrupy apples and warm apple pie spice. Blending the base gives it a creamy texture, while the diced fruit adds small bites of apple throughout each serving.

Prepare the four containers ahead of time, refrigerate them overnight or for at least four hours, and keep any crunchy toppings separate. When it is time to eat, finish each serving with granola, nuts, cereal, fresh apple, or sugar-free caramel.