Apple Cake with Streusel Topping

Start by making the streusel topping. In a mixing bowl, combine the *cold butter*, *sugar*, and *flour*. Use a pastry cutter or your fingers to mix until the mixture resembles coarse crumbs.

Set the streusel aside in the refrigerator to keep it cold while you prepare the cake batter.

In a large bowl, cream together the *room temperature butter* and *sugar* until light and fluffy. Add a *pinch of vanilla* and continue to mix.

Beat in the *room temperature eggs* one at a time, ensuring each is fully incorporated before adding the next.

Mix in the *natural yogurt* until the batter is smooth.

In a separate bowl, whisk together the *flour*, *baking powder*, and *cornstarch*. Gradually add these dry ingredients to the wet ingredients, mixing gently.

Slowly pour in the *warm milk* and mix until just combined, being careful not to overmix the batter.

Peel and core the *apples*, then slice them into thin wedges. Gently fold the apple slices into the cake batter.

Preheat your oven to 175°C (350°F). Grease a small baking pan and pour in the cake batter, spreading it evenly.

Sprinkle the prepared *streusel topping* over the batter.

Bake for approximately 25-30 minutes, or until a toothpick inserted into the center comes out clean.

Allow the cake to cool in the pan for about 10 minutes, then transfer it to a wire rack to cool completely.

Enjoy your delicious apple cake with a comforting streusel topping!