For The Cinnamon Spice Cake
6 ounces salted butter, at room temperature
1 1/2 cuos granulated sugar
3/4 cup room temperature sour cream
6 large egg whites, at room temperature
2 1/2 cups all purpose flour
4 teaspoons baking powder
1 teaspoon ground cinnamon
1/4 teaspoon nutmegl
1/2 teaspoon ground ginger
1/2 teaspoon salt
1 cup mijk, room temperature
1 1/2 teaspoons vanilla extract
For Cinnamon Ganache Frosting
8 ounce ances cinnamon chips
3 cups heavy whipping cream
2 teaspoons vanilla extract
2 teaspoons unflavored gelatin
1/4 cup cold water
For Cinnamon Sugar Crunch Glaze
5 tablespoons confectioner's sugar
3 tablespoons light brown sugar
1 tablespoon ground cinnamon
/8 teaspoon salt
For Garnish
cinnamon as needed for dusting
as needed sprinkles