Bourbon sweet potato cupcakes with bourbon-spiced frosting

Original recipe from Bakerella
Oven temp = 350 deg

Bourbon sweet potato cupcakes:
1 1/2 cups firmly packed brown sugar
1/3 cup butter, room temperature
2 eggs
1 tsp vanilla bean paste
2 3/4 cups all purpose flour
1 Tbsp baking powder
1/2 tsp cinnamon
1/4 tsp nutmeg
1/4 tsp cloves
1/4 tsp ginger
1/8 tsp allspice
3/4 tsp salt
3/4 cup whole milk
1 cup cooked sweet potatoes
1/3 cup bourbon

Cream together sugar, butter, eggs, vanilla, and cooked sweet potato. Mix in spices and salt. Add 1 cup of flour, then milk. Add a second cup of flour, and then the bourbon. Add in the last 3/4 cup of flour and mix until just combined. Fill 24 cupcakes cups and bake at 350 deg for 25 minutes.

Bourbon-spiced frosting:
3 1/2 cups powdered sugar
1/4 cup butter (1/2 stick)
1 tsp vanilla
1 tsp cinnamon
3 Tbs bourbon
1-2 Tbs milk

Cream together the sugar, butter, vanilla, cinnamon, and bourbon. Slowly add in milk while beating, until the frosting reaches the right consistency.