Appple Coffee Cake withcrumble Topping and Brown Sugar Glaze

Ingredints
*stick plus 2 teaspoons unsalted butter
*1/2cups packed light brown sugar
*large eggs
*cup all purpose flour
*teaspoon baking soda
*teaspoon ground cinnamon
*1/2teaspoon salt
*1cup sour cream
*1teaspoon pure vanilla extrct
*cupspeeled,cored and chopped apple

Crumble Topping

1/2 cup packed light brown sugar
1/2cup all purpose flour
1/2teaspoon ground cinnamon
4tablespoons unsalted butter,softened

Brown Sugar Glaze
1/2cup packed light brown sugar
1/2teaspoon vanilla extact
2tablespoons water

Directions
Preheat the oven to 350 degrees F.lightly grease 13 by 13by 9-inch glass baking dish with2
teaspoons of the butter.

in a large bowl,cream together the remaining stick of butter and sugar until light and fluffy,add
the eggs 1 at atime,beating after the addition of each.in a separate bowl or on piece of parchment, sift together the flour,baking soda,cinnamon,and salt.add to the wet ingredients,alternating with the sour cream and vanilla.fold in the apple.pour into the prepared baking dish,spreading out the edges.
to make the topping,in abowl,combine the sugar,flour,cinnamon,and butter,and butter,and mix until it resebles coarse crumbs.sprinkle the topping over the cake and bake until golden brown and set,35to40 minutes.remove from the ovenand let cool on a wire rack for at least 10 minutes.

To make the glaze,in a bowl,combine the sugar,vanilla,and water and mix until s,smooth Drizzle the cake with the glaze and let harden slightly.serve warm