Busch Family Foods

For the streusel topping and center:

1 3/4 cups all-purpose flour

1 cup packed light-brown sugar

1 1/4 teaspoons ground cinnamon

Coarse salt

1 1/2 sticks cold unsalted butter, cut into small pieces

1 1/2 cups coarsely chopped toasted pecans

For the cake:

1 stick unsalted butter, room temperature, plus more for pan

2 cups all-purpose flour

1 1/4 teaspoons baking powder

1/2 teaspoon baking soda

Coarse salt

1 cup granulated sugar

2 large eggs

1 1/2 teaspoons pure vanilla extract

1 cup sour cream

For the glaze:

1 cup confectioners' sugar

2 tablespoons whole milk