Ingredients
For Cinnamon Streusel:
1½ cups all-purpose flour
½ cup brown sugar
¼ cup granulated sugar
½ teaspoon salt
1 teaspoon cinnamon
¼ teaspoon nutmeg
½ cup butter, melted
½ teaspoon vanilla extract
1 large tart apple, peeled and chopped
For Cake:
4 tablespoons butter, softened
½ cup granulated sugar
1 large egg
1 teaspoon vanilla extract
½ cup sour cream
1 cup all-purpose flour
¼ teaspoon baking soda
¼ teaspoon salt
½ teaspoon baking powder
For Glaze:
½ cup powdered sugar
1½–2 tablespoons apple cider
Instructions
1. Preheat oven to 350°F. Grease an 8-inch springform pan and line the bottom with parchment paper.
2. Make streusel: Whisk together flour, sugars, salt, cinnamon, and nutmeg. Add melted butter and vanilla, stirring until crumbly.
3. Make cake batter: Cream butter and sugar for 3–4 minutes. Add egg, vanilla, and sour cream.
4. Add dry ingredients: Fold in flour mixture just until combined.
5. Layer: Spread half the batter in pan, add apples, sprinkle 1 cup streusel, add remaining batter, top with remaining streusel.
6. Bake 35–40 minutes until toothpick comes out clean.
7. Make glaze: Whisk powdered sugar with apple cider. Drizzle over cooled cake.
Notes
Storage: Store covered at room temp for 2 days or refrigerate up to 5 days.
Make-ahead: Streusel can be mixed 1 day in advance and refrigerated.
Serving suggestion: Dust with extra powdered sugar or serve warm with vanilla ice cream.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Cuisine: American