INGREDIENTS
1 cup
butter
1 tsp
lemon zest
1 cup
cup cake
1 serving
egg
1 tsp
vanilla
1 cups
flour
1 tsp
baking powder
1 tsp
kosher salt
1 cups
pb cups
1 cup
cup cake
1 tbsp
buttermilk
1 null
cup cake
1/2
2
7/8
1
1
2
2
1
2
1/2
7/8 cup
1 tbsp
this is
1 cup
line. let stand