Desserts & Baking

Apple Pie Oatmeal Cookie Cups with Streusel

By Clara ·
November 1, 2026

The first thing you notice when these come out of the oven is the toasted oat smell, followed by the little wells waiting to be filled. I like that each one holds a spoonful of cinnamon apples without needing a fork or a pie plate. These apple pie oatmeal cookie cups with streusel bring the familiar apple-pie flavors together with a chewy cookie base and a crisp, buttery top.

The parts bake separately for a reason: the cookie cups need to set before they can hold the fruit, and the streusel needs to cool into crisp crumbles. I cook the apples just until tender, then thicken their juices so the filling stays glossy instead of running into the cookie. Once everything is cool, the cups are easy to fill, and each bite has a tender apple center tucked inside an oat cookie.

The Streusel Gets Its Own Bake for a Crisp Finish

Putting raw streusel on top of the apple filling would give it a very different job: it would sit against moist fruit instead of baking into dry, golden crumbles. Baking it on its own lets the butter and flour clump into little crisp pieces before they meet the apples. That contrast matters here. The cookie cup is chewy, the filling is soft, and the topping brings the crunch.

Let each component cool before you put them together. Warm apples can soften the cookie underneath, and warm streusel can lose its crisp edges as it meets the filling. The separate bake also makes the topping easy to break into the small crumbles that fit neatly over each cup. You don’t need a thick blanket of topping; a light layer gives you crunch without burying the cinnamon apples.

Why Old-Fashioned Oats Give These Cups Their Structure

• Old-fashioned rolled oats — Their broad flakes give the cookie cups a sturdy, chewy texture that holds the apple filling. They also make the dough easy to press up the sides of the muffin cups. Quick oats create a finer, more compact result, so stick with rolled oats for the texture this version is built around.
• Granny Smith apples — Their tartness balances the brown sugar, and the diced pieces keep some shape after cooking. Choose firm apples rather than soft or bruised ones; the fruit is the center of each cup, so quality shows up in every bite.
• Light brown sugar — It adds moisture and a gentle molasses note to both the cookie and the filling. Pack it firmly when measuring so the cookie dough has the right balance of sweetness and softness.
• Unsalted butter — It carries the cinnamon through the cookie and streusel while letting the measured salt stay in control. A standard grocery-store butter works well here; the useful detail is using it cold for the streusel and softened for the cookie dough.
• Cornstarch and lemon juice — The cornstarch thickens the apple juices into a glossy filling, while lemon juice keeps the sweetness from tasting heavy. Stir the cornstarch into cold water first so it disperses smoothly instead of clumping in the hot fruit.
• Cinnamon — Dividing it among the streusel, apples, and cookie dough gives the whole cup a steady cinnamon flavor instead of concentrating it in one layer.
• All-purpose flour — It helps the cookie dough hold its shape and gives the streusel its crumbly texture. A regular store-brand flour is perfectly suitable; there’s no need for a specialty brand.

Build the Cups in Separate Stages for Clean Layers

Bake the Streusel Until Golden

Heat the oven to 350°F and line a rimmed baking sheet with parchment. Stir together the streusel flour, oats, brown sugar, cinnamon, and salt, then work in the cold butter until the mixture looks crumbly rather than pasty. Spread it out and bake for 8 to 10 minutes, watching for golden edges and a toasted smell. Cool it completely before breaking it into small crumbles.

Cook the Apples Until Tender, Not Collapsed

Melt the filling butter in a 2-quart saucepan over medium heat, then add the diced apples, brown sugar, cinnamon, and salt. Stir occasionally as they cook for 5 to 7 minutes; the pieces should be tender but still hold their shape. Stir the cornstarch into the cold water, then add that slurry and the lemon juice to the pan. Cook for 1 minute, stirring, until the juices look glossy and thickened, then set the filling aside to cool.

Cream the Dough and Shape the Wells

Grease a standard 12-cup muffin pan. Beat the softened butter and brown sugar in a large bowl until creamy, then beat in the egg and vanilla. In a separate bowl, whisk the flour, oats, cinnamon, salt, and baking soda before stirring the dry mixture into the butter mixture just until combined. Divide the dough among the cups, using about 3 tablespoons per cup, and press it over the bottom and up the sides to form even wells.

Bake, Press, and Fill the Cookie Cups

Bake at 350°F for 14 to 16 minutes, until the edges are golden. Press the centers down with the rounded back of a tablespoon immediately after baking, then leave the cups in the pan for 10 minutes. Loosen the edges and transfer them to a rack to cool completely; moving them before they have set can cause the sides to break. Spoon about 1 tablespoon of cooled apple filling into each cup and finish with the cooled streusel.

Three Small Changes That Give the Cups a Different Finish

Questions That Come Up While Making These Cookie Cups

Apple Pie Oatmeal Cookie Cups with Streusel

Apple pie oatmeal cookie cups have chewy oat cookie shells filled with tender, cinnamon-spiced apples and topped with crisp streusel. Bake the cups in a muffin pan, press in their centers while warm, then fill once everything has cooled.

Print Recipe Pin Recipe

Prep Time 25 minutes mins

Cook Time 31 minutes mins

Cooling 10 minutes mins

Total Time 1 hour hr 6 minutes mins

Servings: 12 servings

Course: Dessert

Cuisine: American

Calories: 280

Ingredients Equipment Method Notes

Ingredients

  

Streusel, apple filling, and cookie cups

• 1.25 cup all-purpose flour divided (1/4 cup for the streusel and 1 cup for the cookie cups)
• 1.625 cup old-fashioned rolled oats divided (2 tablespoons for the streusel and 1 1/2 cups for the cookie cups)
• 1 cup light brown sugar packed, divided (2 tablespoons for the streusel, 2 tablespoons for the filling, and 3/4 cup for the cookie cups)
• 1.25 tsp ground cinnamon divided (1/4 teaspoon for the streusel, 1/2 teaspoon for the filling, and 1/2 teaspoon for the cookie cups)
• 0.5 tsp fine salt divided (1/8 teaspoon for the streusel, 1/8 teaspoon for the filling, and 1/4 teaspoon for the cookie cups)
• 0.6875 cup unsalted butter divided (2 tablespoons cold for the streusel, 1 tablespoon for the filling, and 1/2 cup softened for the cookie cups)

Apple filling

• 2 Granny Smith apples medium, peeled, cored, and cut into 1/4-inch dice
• 1 tsp lemon juice
• 1 tsp cornstarch
• 1 tbsp cold water

Cookie cups

• 1 egg large
• 1 tsp vanilla extract
• 0.5 tsp baking soda

Equipment

• 1 rimmed baking sheet
• 1 2-quart saucepan
• 1 standard 12-cup muffin pan

Method

 

Make the streusel

1. Heat the oven to 350°F.
2. Line a rimmed baking sheet with parchment paper.
3. Stir 1/4 cup flour, 2 tablespoons oats, 2 tablespoons brown sugar, 1/4 teaspoon cinnamon, and 1/8 teaspoon salt in a bowl.
4. Work in 2 tablespoons cold butter until crumbly.
5. Spread the mixture on the prepared baking sheet and bake for 8 to 10 minutes, until golden.
6. Cool completely, then break into small crumbles.

Cook the apple filling

1. Melt 1 tablespoon butter in a 2-quart saucepan over medium heat.
2. Add the diced apples, 2 tablespoons brown sugar, 1/2 teaspoon cinnamon, and 1/8 teaspoon salt.
3. Cook, stirring occasionally, for 5 to 7 minutes, until the apples are tender but still hold their shape.
4. Stir the cornstarch into the cold water.
5. Add the cornstarch mixture and lemon juice to the apples.
6. Cook for 1 minute, stirring, until the filling is glossy and thickened.
7. Set aside to cool.

Bake and assemble the cookie cups

1. Grease a standard 12-cup muffin pan.
2. Beat the softened 1/2 cup butter and 3/4 cup brown sugar in a large bowl until creamy.
3. Beat in the egg and vanilla.
4. Whisk 1 cup flour, 1 1/2 cups oats, 1/2 teaspoon cinnamon, 1/4 teaspoon salt, and the baking soda in a separate bowl.
5. Stir the dry mixture into the butter mixture until combined.
6. Divide the dough among the muffin cups, using about 3 tablespoons per cup.
7. Press the dough over the bottom and up the sides to form cups.
8. Bake for 14 to 16 minutes, until the edges are golden.
9. Immediately press the centers down with the rounded back of a tablespoon.
10. Cool the cookie cups in the pan for 10 minutes.
11. Loosen the edges and transfer the cookie cups to a rack to cool completely.
12. Spoon about 1 tablespoon of cooled apple filling into each cookie cup.
13. Top with the cooled streusel.

Notes

Press the centers down immediately after baking while the cookie cups are still warm. Store covered in the refrigerator for up to 4 days; freeze yes, in an airtight container. For a gluten-free variation, use a 1:1 gluten-free flour blend and certified gluten-free oats.