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Air Fryer German Crumb Cake Recipe – Luftfritteuse Streuselkuchen

I based this recipe on my Oma's plum cake and used the Instant Vortex Plus Air Fryer Oven. If you have something different, no problem. Simply adjust settings and cook time according to your manual. 

Ingredients:

Cake Ingredients:

• 1 cup & 2 tablespoons all-purpose flour
• 1½ teaspoons baking powder
• 2 tablespoons granulated sugar
• ½ teaspoon vanilla sugar
• pinch salt
• ¼ cup Greek yogurt
  
• 2½ tablespoons milk
• 2½ tablespoons light olive oil
• 1 can peach slices, well drained or other filling (See hints)

Streusel Ingredients:

• 1 cup all-purpose flour
• ½ cup granulated sugar
  
• ½ cup cold butter
  

Instructions:

1. Preheat air fryer to 325°F on bake. Grease a 8x8-inch baking pan with a removable bottom and line with parchment paper.
2. Into a large mixing bowl, mix flour, baking powder, sugar, vanilla sugar, and salt. 
3. Add yogurt, milk, and oil and using dough hook, mix for a minute or so until dough holds together (do not over-beat!) ... if you wish, you can just use a wooden spoon to mix and then knead lightly with hands.
4. Press dough into pan and place peach slices in rows on top of the dough.
5. Mix together the flour, sugar, and cold butter to make streusel dough. Crumble over top of the peaches.
6. Bake at 325°F on middle shelf for 40 minutes or until top is lightly browned. 

Notes/Hints:

• When choosing a filling for your cake, avoid pie fillings. They have too much liquid and don't hold together as nicely.
• Alternate fillings can be cherries, plums, sliced apples, or jams. Poppy seed filling, either homemade or canned filling is super yummy!
• If your pan doesn't have a bottom that comes off for easy access, make yourself a parchment paper sling. The sling will allow you to carefully lift it out of the pan!
• Don't place your pan right on the bottom inside the air fryer to bake. Your heat source comes from the top, so having it too low would extend the bake time. Place one of your trays on the middle shelf and set your pan on the tray. This way, your cake is right in the middle and has enough heat circulating around to give a nice even bake.

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