Authentic German Apple Streusel Traybake

Experience the Classic Comfort of German Apple Streusel Sheet Cake

Prepare to be captivated by the delightful simplicity and incredible flavor of our Apple Streusel Sheet Cake. This beloved German apple crumble cake is a testament to timeless baking traditions, offering a taste that’s both comforting and exquisitely satisfying. Made entirely from scratch, it delivers a harmonious blend of tender, spiced apples and a uniquely crunchy, cookie-like streusel topping that sets it apart from any other apple dessert. Perfect for any gathering or a cozy treat at home, this sheet cake promises an unforgettable experience with every moist, flavorful bite.

The Irresistible Allure of Authentic German Streusel

What truly elevates this Apple Streusel Sheet Cake is its distinctive topping: authentic German streusel. Unlike the softer, more cake-like crumb toppings often found in American baking, German streusel offers a more robust, cookie-like crunch on top, giving way to a delightfully soft, buttery texture where it meets the cake. This unique characteristic creates a textural masterpiece that is deeply satisfying. It’s not just a topping; it’s an integral part of the cake’s character, providing a contrasting texture that perfectly complements the moist apple filling below. This makes German streusel my absolute favorite choice for enhancing cakes, muffins, and a variety of other baked goods.

The heart of this cake lies in its rich and flavorful apple filling. We combine generous chunks of fresh apples with a secret ingredient: applesauce. This clever combination ensures that the cake remains incredibly moist and tender, not just on the day it’s baked, but even days later. The applesauce infuses the cake with additional apple flavor and keeps the crumb from drying out, while the fresh apple chunks provide delightful bursts of fruitiness and texture. The entire process of assembling this cake is remarkably straightforward. Simply press the rich dough into your baking pan, layer it with the spiced apple mixture, and then generously scatter the homemade streusel across the top with your hands. It’s a method designed for ease, allowing you to achieve bakery-quality results right in your own kitchen with minimal fuss.

A Versatile Dessert for Every Season and Celebration

While apple desserts are traditionally associated with the cozy flavors of fall, this easy-to-make Apple Streusel Sheet Cake defies seasonal boundaries. Its comforting warmth and delightful flavors make it a cherished treat that can be enjoyed all year round. Whether you’re hosting a festive holiday gathering, contributing to a casual potluck, or simply looking for a perfect weeknight dessert, this German apple cake is always a crowd-pleaser. Its sheet cake format makes it ideal for serving larger groups, and it transports beautifully, making it a favorite for any social event. I particularly love to serve it warm, fresh from the oven, with a generous scoop of creamy vanilla ice cream. However, it’s equally delicious enjoyed cold, straight from the fridge, perhaps with a dollop of freshly whipped cream or a dusting of powdered sugar. Its universal appeal guarantees that everyone will ask for a second slice of this incredible apple dessert.

Expert Tips for Baking Your Best Apple Streusel Sheet Cake

Choosing Your Apples: For this recipe, I find that a balance of sweet and tart apples works best to create a complex flavor profile. Varieties like Elstar or Jonagold are my top recommendations, offering a perfect blend of sweetness and a firm texture that holds up beautifully during baking. If those aren’t available, Granny Smith will provide a pleasant tartness, while Honey Crisp or Pink Lady apples will lend a sweeter, crisper bite. Feel free to experiment with your favorite apple varieties or even a mix to find your ideal combination.
Applesauce Sweetness: The choice of applesauce can significantly impact the final sweetness of your cake. I typically opt for unsweetened applesauce, as it allows the natural tartness of the fresh apples and the sweetness of the streusel to shine through, creating a perfectly balanced flavor that isn’t overly saccharine. However, if you prefer a dessert that leans towards the sweeter side, using sweetened applesauce will provide that extra sugary kick. Adjust according to your personal preference!
Streusel Sugar Selection: When it comes to the streusel topping, you have the option of using granulated sugar or brown sugar. For an authentic German streusel experience, I highly recommend granulated (white) sugar. In Germany, brown sugar is not a common pantry staple and is rarely used in traditional streusel recipes, which typically rely on white sugar to achieve that distinct crisp and buttery texture. Using granulated sugar helps create that desired cookie-like crunch that is characteristic of classic German streusel.
The Art of Crumb Application: One common mistake bakers make with streusel is pressing the crumbs too firmly onto the cake. There’s absolutely no need to compact them! Simply scatter the streusel loosely over the apple layer. As the cake bakes, the butter within the streusel will melt, allowing the crumbs to naturally adhere to each other and form that beautiful, cohesive, yet delightfully crumbly topping without any extra effort.
Optimal Storage for Freshness: To ensure your Apple Streusel Sheet Cake remains fresh and delicious for several days, I highly recommend refrigerating it once it has completely cooled to room temperature. Cover it tightly with plastic wrap or transfer it to an airtight container. Storing it in the fridge not only prolongs its freshness but also helps the cake firm up, making the slices hold their shape better, especially when serving. Enjoying it cold can also bring out a different dimension of its delicious flavors!

Pro Tip: Achieving Perfectly Sized Streusel

The secret to creating truly exceptional German Streusel lies in making them larger and more irregular in size. Don’t be shy – use your hands! Begin by rubbing the dough between your fingers to form smaller crumbs, then gently press some of these smaller crumbs together to create bigger, more substantial streusel pieces. This technique ensures a varied texture in your topping, with some delicate crumbs and some wonderfully chunky, cookie-like bits that provide an extra burst of buttery crunch. Avoid making the crumbs too fine; the beauty of streusel is in its delightful unevenness.

Looking for more Streusel-topped desserts? Explore these delicious recipes:

Easy Lemon Raspberry Cake
Plum Cake with Streusel
Apple Crumble Pie
Banana Muffins with Cinnamon Streusel

Essential Tools for Mastering this Apple Streusel Sheet Cake

9 x 13 inch Pan with Lid: This pan is an absolute game-changer for any baker! Its ideal size is perfect for sheet cakes, brownies, casseroles, and more. The included lid is incredibly convenient, making it effortless to transport your delicious baked goods to potlucks, parties, or simply store leftovers without needing additional foil. Furthermore, its non-stick surface ensures easy cleaning, with food sliding right off, saving you time and effort in the kitchen.

Stand Mixer: A stand mixer is an invaluable asset for any serious home baker, and it truly simplifies the process of making this Apple Streusel Sheet Cake. Equipped with a paddle attachment, it effortlessly combines the dough ingredients for the cake base and thoroughly mixes the streusel topping, ensuring a consistent texture every time. While manual mixing is possible, a stand mixer greatly reduces prep time and delivers superior, lump-free results, allowing you to focus on the fun parts of baking.

two pieces of apple streusel cake stacked on top of each other on parchment paper with a fork next to it and a baking sheet in the background

Pin
Print

4.95 from 52 votes

Apple Streusel Sheet Cake

By:

Julia Foerster

Apple Streusel Sheet Cake is so easy to make from scratch and tastes amazing! A simple but so flavorful German apple cake that’s topped with the most delicious cookie-like streusel.

Prep Time:

30 minutes

Cook Time:

45 minutes

Total Time:

1 hour

15 minutes

Servings:
16

Ingredients

▢

4
cups
all-purpose flour,
divided
▢

1 ½
cups
unsalted butter,
divided
▢

⅓
cup
granulated sugar
▢

½
teaspoon
vanilla extract
▢

1
large egg
▢

5
apples
▢

1 ⅓
cup
applesauce,
sweet or unsweetened
▢

1
teaspoon
lemon zest,
freshly grated
▢

1
tablespoon
lemon juice
▢

½
teaspoon
ground cinnamon
▢

½
cup
granulated or brown sugar

Cups –
Metric

Instructions

Lightly grease a quarter-size baking sheet (9×13-inch) and preheat your oven to 350°F (180°C).
In the bowl of a stand mixer fitted with the paddle attachment, add 3/4 cup butter, 1/3 cup sugar, vanilla extract, 2 cups all-purpose flour, and egg. Beat until everything is incorporated. Spread the dough onto the baking sheet. Put the baking sheet in the fridge while you make the apple and crumble layer.
Leave the remaining 3/4 cup butter on the kitchen counter to get to room temperature.
Peel and core the apples and chop them into small chunks. Mix the apple chunks with the lemon zest, lemon juice, cinnamon and apple sauce. Set aside.
For the crumb topping: In the bowl of a stand mixer fitted with the paddle attachment mix the remaining soft butter with 2 cups of flour and 1/2 cup sugar (see Note 4). The mixture will be crumbly.
To assemble the cake, spread the apple mixture onto the dough layer. Then use your fingers to crumble the crumbs on top. Press some crumbs together to form bigger crumbs, you don’t want the crumbs to be too fine.
Bake for 45 minutes until the crumbs are lightly golden.
Let the cake cool off completely. It will be a little bit soft while hot.
Serve with whipped cream or vanilla ice cream!

Video

Nutrition

Like this recipe? Rate and comment below!

There’s truly nothing quite like the homemade taste of a freshly baked Apple Streusel Sheet Cake. Its simple preparation, combined with the rich flavors of cinnamon-spiced apples and that irresistible, buttery German streusel, makes it a dessert that embodies warmth, comfort, and tradition. Whether you’re an experienced baker or just starting out, this recipe is designed for success, promising a delightful treat that will impress your family and friends. So gather your ingredients, follow these straightforward steps, and get ready to enjoy a slice of German baking perfection. Happy baking!