INGREDIENTS
1
Egg, large
2 1/4 tsp
Active dry yeast
2 1/2 cups
All-purpose flour
1/4 tsp
Baking soda
2/3 cup
Brown sugar, packed
2 tsp
Cinnamon
1 1/4 cups
Confectioners' sugar
1/2 tsp
Salt
3 tbsp
Sugar
2 tsp
Vanilla
10 tbsp
Butter, unsalted
1 tbsp
Milk
2/3 cup
Sour cream