Like they make at the Dixie Lee Bakery in NJ.

Apple Crumb Coffee Cake

Ingredients for the Cake:
1 egg yolk
2 cups flour
1/2 cup sugar
1/2 teaspoon baking powder
1/4 pound soft butter
5 tablespoons milk
Ingredients for the Apple Filling:
8 peeled and sliced apples
3/4 cups sugar
1 teaspoon cinnamon
Ingredients for Crumb Topping:
1/4 pound soft butter
1 cup flour
1/4 cup sugar
2 teaspoons cinnamon

Methods/steps

For the Cake:
In bowl, cream the butter, sugar and egg. Add the dry ingredients and add milk. Mix well. Grease a square baking pan.
Spread this dough to cover the bottom of the pan.
For the Filling:
Mix all together in a bowl. Now, spread this mixture over the dough in the pan.
For the Topping:
Mix the crumb topping ingredients, and
spread over the apples in the pan. Bake at 350 degrees for 1 hour. Sprinkle with confectioners sugar when cooled.

Thanks to Karen Ann for sharing this cake recipe. Please note, it appears an ingredient is missing in the initial step of creaming the butter, and sugar. If someone may know the quantity, please share this information. My steps to research this recipe, only leads me to the same exact recipe over the internet.