3 cups all-purpose flour
1 cup white granulated sugar
4 tsp. baking powder
2 large eggs
2 tsp. vanilla extract
1 1/2 cups milk
1/2 cup (1 stick) salted butter, melted

3/4 cup (1 1/2 sticks) salted butter, softened to room temp.
1 cup packed light brown sugar
2 tbsp. flour
1 tbsp. ground cinnamon

2 cups powdered sugar
5 tbsp. milk
1 tsp. vanilla extract