If you love soft, buttery sugar cookies and homemade cake, this Sugar Cookie Crumble Cake is the perfect dessert to try! It combines a tender vanilla cake with a sweet, buttery sugar cookie crumble topping that adds a delicious crunch to every bite.
PrintSugar Cookie Crumble Cake – Soft, Buttery & Easy to Make
This Sugar Cookie Crumble Cake features a soft vanilla cake, buttery sugar cookie topping, and optional vanilla glaze. Perfect for any occasion!
Ingredients
For the Cake
- 2 ½ cupsall-purpose flour
- 1 ½ teaspoonsbaking powder
- ½ teaspoonbaking soda
- ½ teaspoonsalt
- ¾ cupunsalted butter, softened
- 1 ½ cupsgranulated sugar
- 3large eggs, room temperature
- 2 teaspoonsvanilla extract
- ½ teaspoonalmond extract
- 1 cupsour cream, room temperature
- ½ cupwhole milk
For the Sugar Cookie Crumble
- ½ cupunsalted butter, melted
- ¾ cupall-purpose flour
- ½ cupgranulated sugar
- 2 tablespoonsbrown sugar
- ½ teaspoonvanilla extract
- ¼ teaspoonsalt
- 2 tablespoonsrainbow sprinkles
For the Vanilla Glaze
- 1 cuppowdered sugar
- 2 tablespoonsmilk
- ½ teaspoonvanilla extract
- 1 tablespoonrainbow sprinkles, for decorating
Instructions
Prepare the Cake Batter
- Preheat the oven to 350°F (175°C). Grease and line a 9 × 13-inch baking pan with parchment paper.
- In a medium bowl, whisk together the flour, baking powder, baking soda, and salt.
- In a large bowl, beat the softened butter and granulated sugar until light and fluffy.
- Add the eggs one at a time, mixing well after each addition.
- Mix in the vanilla and almond extracts.
- Add the dry ingredients in three additions, alternating with the sour cream and milk. Begin and end with the dry ingredients, mixing just until combined.
Make the Sugar Cookie Crumble
- In a separate bowl, combine the melted butter, flour, granulated sugar, brown sugar, vanilla, and salt.
- Mix with a fork until large, crumbly pieces form.
- Gently fold in the rainbow sprinkles.
Assemble and Bake
- Spread the cake batter evenly into the prepared pan.
- Sprinkle the sugar cookie crumble generously over the top.
- Bake for 35–42 minutes, or until a toothpick inserted into the center comes out clean or with a few moist crumbs.
- Let the cake cool completely in the pan.
Add the Vanilla Glaze
- Whisk together the powdered sugar, milk, and vanilla extract until smooth.
- Drizzle the glaze over the cooled cake.
- Finish with rainbow sprinkles and allow the glaze to set before slicing.
This cake has everything you want in a homemade dessert: a soft and fluffy texture, a delicate vanilla flavor, and a golden crumble that tastes just like a classic sugar cookie. It’s easy to prepare, beautiful to serve, and perfect for sharing with family and friends.
Whether you’re baking for a weekend treat, a birthday celebration, or a holiday gathering, this Sugar Cookie Crumble Cake is sure to become a favorite.
Why You’ll Love This Sugar Cookie Crumble Cake
- Two desserts in one:Enjoy the flavors of a classic sugar cookie combined with a soft homemade cake.
- Buttery crumble topping:The sweet cookie crumble adds a delicious texture and a golden finish.
- Soft and tender cake:Every slice is moist, fluffy, and full of vanilla flavor.
- Simple ingredients:You can make this dessert with everyday baking ingredients.
- Perfect for sharing:It’s a lovely treat for parties, family gatherings, potlucks, and afternoon coffee.
- Easy to customize:Add sprinkles, a simple vanilla glaze, or a little almond extract for a different flavor.
What Makes This Cake Special?
The best part of this cake is the contrast between its soft center and crunchy topping. The vanilla cake creates a tender base, while the sugar cookie crumble brings a buttery sweetness that makes every bite feel like eating a freshly baked sugar cookie.
Unlike a traditional crumb cake, this version has a crumble inspired by sugar cookies. It gives the dessert a familiar bakery-style flavor while keeping the preparation simple and approachable.
You can serve it plain or finish it with a light vanilla glaze for an extra touch of sweetness.
Helpful Tips Before Baking
- Use room-temperature ingredients:Softened butter, eggs, and milk help create a smooth, evenly mixed cake batter.
- Measure the flour carefully:Too much flour can make the cake dense. Spoon it into your measuring cup and level it off.
- Don’t overmix the batter:Mix just until the ingredients are combined to keep the cake soft and tender.
- Keep the crumble buttery:Mix the crumble until it forms small and medium-sized pieces. Avoid making it too fine.
- Watch the baking time:Check the cake with a toothpick near the end of baking. It should come out with a few moist crumbs, not wet batter.
- Let it cool before slicing:Cooling helps the cake set and keeps the crumble topping intact.
When to Serve Sugar Cookie Crumble Cake
This cake is delicious enough for everyday baking but special enough for celebrations. Serve it at birthday parties, holiday gatherings, baby showers, potlucks, or weekend family dinners.
It also makes a wonderful afternoon treat with coffee, tea, or a glass of cold milk. Each slice delivers the comforting flavor of homemade sugar cookies in a soft, cake-like dessert.
Ingredients
This Sugar Cookie Crumble Cake uses simple baking ingredients to create a soft vanilla cake with a sweet, buttery sugar cookie topping.
For the Cake
- ½ cup (113 g) unsalted butter, softened
- 1 cup (200 g) granulated sugar
- 2 large eggs, room temperature
- 2 tsp vanilla extract
- 1¾ cups (220 g) all-purpose flour
- 2 tsp baking powder
- ¼ tsp salt
- ¾ cup (180 ml) whole milk, room temperature
For the Sugar Cookie Crumble
- ½ cup (113 g) unsalted butter, melted
- ¾ cup (150 g) granulated sugar
- 1 cup (125 g) all-purpose flour
- 1 tsp vanilla extract
- ¼ tsp salt
Optional Vanilla Glaze
- ½ cup (60 g) powdered sugar
- 1–2 tbsp milk
- ¼ tsp vanilla extract
Ingredient Notes
Butter:Use unsalted butter for both the cake and crumble. Softened butter helps create a light cake texture, while melted butter gives the crumble its rich, buttery flavor.
Granulated Sugar:Regular white sugar adds sweetness and helps create a delicate cake crumb.
Eggs:Use large eggs at room temperature so they blend smoothly into the batter.
All-Purpose Flour:Measure carefully to prevent the cake from becoming too dense. It also gives the crumble its classic cookie-like texture.
Whole Milk:Adds moisture and helps keep the cake soft and tender. Room-temperature milk blends more easily into the batter.
Vanilla Extract:Vanilla gives both the cake and crumble their delicious sugar cookie flavor.
Baking Powder:Helps the cake rise and creates a fluffy texture.
Powdered Sugar:If making the optional glaze, powdered sugar creates a smooth, sweet finish.
Equipment You’ll Need
- 8-inch square baking pan
- Parchment paper
- Large mixing bowl
- Medium mixing bowl
- Electric hand mixer or stand mixer
- Whisk
- Rubber spatula
- Measuring cups and spoons
- Wire cooling rack
Before You Begin
- Preheat your oven to350°F (175°C).
- Grease an 8-inch square baking pan and line it with parchment paper, leaving a little overhang for easy removal.
- Bring the butter, eggs, and milk to room temperature.
- Melt the butter for the crumble and allow it to cool slightly.
- Measure all ingredients before starting to make the preparation easier.
Keep the cake batter and crumble separate until assembly so the topping stays crumbly and bakes into a delicious golden layer.
Preparation and Baking Time
- Prep Time:20 minutes
- Cook Time:35–40 minutes
- Cooling Time:30 minutes
- Total Time:Approximately 1 hour 30 minutes
- Servings:9 slices
- Oven Temperature:350°F (175°C)

Step-by-Step Instructions
Prepare the Cake Batter
In a large mixing bowl, beat the softened butter and granulated sugar until light and fluffy, about 2–3 minutes.
Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
In a separate bowl, whisk together the flour, baking powder, and salt.
Gradually add the dry ingredients to the butter mixture, alternating with the milk. Begin and finish with the dry ingredients, mixing gently after each addition. Stop mixing as soon as the batter is smooth.
Make the Sugar Cookie Crumble
In a medium bowl, combine the melted butter, granulated sugar, vanilla extract, and salt.
Add the flour and mix with a fork until the mixture forms small and medium-sized crumbs. If the mixture looks too wet, add a little more flour, one tablespoon at a time.
Avoid mixing until it becomes a smooth dough. You want plenty of crumbly pieces for the topping.
Assemble the Cake
Pour the cake batter into the prepared 8-inch square baking pan.
Spread it evenly with a spatula, making sure the batter reaches the corners.
Sprinkle the sugar cookie crumble evenly over the top. Gently press a few larger crumbs into the batter so they stay in place while baking.
Bake Until Golden
Place the pan in the preheated oven and bake for 35–40 minutes, or until the top is lightly golden and a toothpick inserted into the center comes out clean or with a few moist crumbs.
If the crumble begins browning too quickly, loosely cover the cake with aluminum foil for the remaining baking time.
Cool the Cake
Remove the cake from the oven and let it cool in the pan for about 15–20 minutes.
Use the parchment paper overhang to carefully lift the cake out of the pan, then transfer it to a wire rack to cool completely.
Add the Optional Vanilla Glaze
In a small bowl, whisk together the powdered sugar, milk, and vanilla extract until smooth.
Add a little more milk if you prefer a thinner glaze. Drizzle it over the cooled cake before slicing and serving.
Helpful Baking Tips
- Don’t overmix:Overmixing can make the cake dense instead of soft and fluffy.
- Create different crumb sizes:A mixture of small and large crumble pieces gives the topping a lovely cookie-like texture.
- Check the center:Baking times can vary depending on your oven, so use a toothpick to check for doneness.
- Cool before glazing:Adding glaze while the cake is hot can cause it to melt into the topping.
- For extra flavor:Add a small pinch of almond extract to the cake batter for a bakery-style sugar cookie taste.
Serving Suggestions
Sugar Cookie Crumble Cake is delicious on its own, but you can make each slice even more special with a few simple additions.
- With vanilla ice cream:Serve a slice slightly warm with a scoop of vanilla ice cream.
- With fresh berries:Add strawberries, raspberries, or blueberries for a fresh contrast.
- With whipped cream:A spoonful of homemade whipped cream makes this cake extra delicious.
- With coffee or tea:Enjoy a slice as an afternoon snack with your favorite hot drink.
- With extra glaze:Drizzle a little more vanilla glaze over each slice before serving.
For a beautiful presentation, dust the cake lightly with powdered sugar or add a few colorful sprinkles before serving.
Storage Instructions
Room Temperature:Store the cake in an airtight container at room temperature for up to 2 days. Keep it in a cool, dry place.
Refrigerator:If your kitchen is warm or you’ve added a dairy-based topping, refrigerate the cake in an airtight container for up to 5 days. Let slices sit at room temperature for a few minutes before serving.
Freezer:You can freeze individual slices without the glaze for up to 2 months. Wrap each slice tightly in plastic wrap, then place them in a freezer-safe container. Thaw overnight in the refrigerator or at room temperature before serving.
Delicious Variations
- Funfetti Sugar Cookie Cake:Add ¼ cup of colorful rainbow sprinkles to the cake batter for a fun celebration dessert.
- Almond Sugar Cookie Cake:Replace ½ teaspoon of the vanilla extract with almond extract for a classic bakery-style flavor.
- Lemon Sugar Cookie Crumble Cake:Add 1 tablespoon of lemon zest to the cake batter and use a little lemon juice in the glaze.
- White Chocolate Version:Sprinkle white chocolate chips over the cake batter before adding the crumble topping.
- Cinnamon Sugar Crumble:Add ½ teaspoon of ground cinnamon to the crumble mixture for a warm, comforting flavor.
- Extra Vanilla Glaze:Prepare a slightly thicker glaze and spread it over the cooled cake for a sweeter finish.
Frequently Asked Questions
Can I make Sugar Cookie Crumble Cake ahead of time?
Yes! You can bake the cake a day ahead and store it in an airtight container. Add the glaze shortly before serving for the freshest appearance.
Why is my crumble topping not forming crumbs?
The melted butter may be too warm, or the mixture may need a little more flour. Add flour one tablespoon at a time until small and medium-sized crumbs form.
Can I use salted butter instead of unsalted butter?
Yes. If using salted butter, reduce or omit the added salt in the recipe to keep the flavor balanced.
How do I know when the cake is fully baked?
Insert a toothpick into the center. If it comes out clean or with a few moist crumbs, the cake is ready. Avoid overbaking, as this can make it dry.
Can I make this cake without the glaze?
Absolutely! The buttery sugar cookie crumble already adds plenty of sweetness and flavor. The glaze is completely optional.
Can I use a different baking pan?
An 8-inch square pan works well for this recipe. A similar-sized round pan can also work, but baking time may vary slightly. Avoid filling the pan too close to the top.
Final Thoughts
This Sugar Cookie Crumble Cake is a wonderful combination of soft vanilla cake and sweet, buttery cookie crumbs. It’s simple to prepare, made with everyday ingredients, and full of the nostalgic flavor of homemade sugar cookies.
Whether you serve it at a family gathering, bring it to a potluck, or enjoy a slice with your afternoon coffee, this cake is sure to bring a little sweetness to your day. Don’t forget the vanilla glaze for an extra delicious finishing touch!


