German Plum Streusel Cake Recipe

This German plum streusel cake recipe is a simple homemade dessert that is soft, juicy, and full of warm spice. It has a tender cake base, a layer of fresh plums, and a crunchy streusel topping. It is beginner-friendly and perfect for late summer and early fall baking.

Plum streusel cake is a classic German bake known as Pflaumenstreuselkuchen or Zwetschgenstreuselkuchen. It appears in bakeries and home kitchens every plum season. The sweet-tart fruit pairs beautifully with the buttery cake and crumbly topping.

This recipe keeps things simple with basic ingredients and a one-bowl method. The cake bakes in one pan and needs no special tools. Serve it warm or cold, with whipped cream or a dusting of powdered sugar.

Recipe Card

Instructions

Step 1: Make the Cake Base

1. Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking pan and line it with parchment paper.
2. In a large bowl, mix the flour, sugar, baking powder, and salt.
3. Add the softened butter, eggs, milk, and vanilla extract. Beat until smooth and creamy.
4. Spread the batter evenly into the baking pan.

Step 2: Prepare the Plum Layer

1. In a large bowl, toss the plums with sugar, lemon juice, cornstarch, cinnamon, and nutmeg.
2. Arrange the plums over the cake batter, skin side down.

Step 3: Make the Streusel Topping

1. In a medium bowl, mix the flour, sugar, cinnamon, and salt.
2. Add the cold butter cubes. Rub them into the flour with your fingertips until the mix looks like coarse crumbs.
3. Sprinkle the streusel evenly over the plums.

Step 4: Bake and Serve

1. Bake for 42 to 48 minutes, until the streusel is golden and the plums are bubbling.
2. If the top browns too fast, cover it loosely with foil.
3. Let the cake cool in the pan for 20 minutes. Then lift it out and place it on a wire rack.
4. Dust with powdered sugar before serving. Slice into squares and serve warm or cold.

Tips Section

• Use ripe but firm plums. Very soft plums turn mushy in the oven.
• Toss the plums with cornstarch. This thickens the juices and stops the cake from getting soggy.
• Arrange the plums skin side down. This helps them hold their shape.
• Keep the butter cold for the streusel. Cold butter makes the topping light and crumbly.
• Do not overmix the streusel. Stop when it looks like coarse crumbs.
• Spread the streusel evenly. This gives every slice a crunchy top.
• If the top browns too fast, cover it loosely with foil.
• Let the cake cool before slicing. Warm cake can fall apart.
• Serve with whipped cream or vanilla ice cream for a special treat.
• For extra flavor, add 1/2 cup of chopped almonds to the streusel.

Variations

• Plum Almond Streusel Cake: Add 1/2 teaspoon of almond extract to the cake batter and sprinkle sliced almonds over the streusel.
• Plum Raisin Streusel Cake: Add 1/3 cup of raisins with the plums.
• Plum Nut Streusel Cake: Add 1/2 cup of chopped walnuts or pecans to the streusel.
• Apple Plum Streusel Cake: Mix apples and plums for a sweet-tart combination.
• Mini Plum Streusel Cakes: Bake in a muffin tin for 20 to 25 minutes. Makes 12 mini cakes.

Storage Instructions

Store the plum streusel cake in an airtight container at room temperature. It stays fresh for up to 2 days. For the best taste, warm it slightly before serving.

You can keep it in the fridge for up to 5 days. Wrap it well so it does not dry out. Let it come to room temperature for 15 minutes before serving.

To freeze, wrap the cake tightly in plastic wrap and foil. Freeze for up to 2 months. Thaw at room temperature overnight. Warm in a 300°F (150°C) oven for 8 to 10 minutes to crisp the streusel.

Do not microwave the cake. It makes the streusel soft and the cake rubbery. Always reheat in the oven for the best texture.

For make-ahead prep, make the streusel and prepare the plums one day in advance. Keep them separate in the fridge. Assemble and bake the cake the next day.

FAQ Section

What kind of plums are best for German plum streusel cake?

Italian prune plums or Zwetschgen are the classic choice. They are firm and slightly tart, which balances the sweet streusel. Any ripe but firm plum works well.

Can I use frozen plums for this cake?

Yes. Use frozen plums without thawing them first. Add 1 extra tablespoon of cornstarch to soak up the extra juices.

Why did my plum streusel cake turn out soggy?

The plums released too much juice, or the cake was not baked long enough. Toss the fruit with cornstarch and bake until the streusel is golden and the plums are bubbling.

Can I make this plum streusel cake without eggs?

Yes. Use 1/2 cup of applesauce or 2 flax eggs instead of the eggs. The cake will be slightly denser but still tasty.

Can I make this German plum streusel cake gluten-free?

Yes. Use a gluten-free all-purpose flour blend in place of the regular flour. The texture may be slightly different, but it still works well.