INGREDIENTS
1 cup
all-purpose flour
1/2 cup
sugar
1 1/2 tsp
baking powder
1/4 tsp
salt
1/4 tsp
cinnamon
1/2 cup
milk
1/2 tsp
white vinegar
1/2 tsp
pure vanilla extract
1
egg
4 tbsp
butter, softened
2 tbsp
milk
1/2 tsp
pure vanilla extract
1 cup
powdered sugar
Sprinkles, optional