Sweet Potato Souffle Pie

Name: Sweet Potato Souffle Pie
Ingredients: 0.25 tsp. ground ginger; 0.5 tsp. pure vanilla extract; 0.25 tsp. salt; 2 tbsp. packed light-brown sugar; 1 c. whole milk; 0.25 c. unsalted butter; 0.5 c. melted butter; 0.25 c. all-purpose flour; 0.33 c. granulated sugar; 0.25 c. granulated sugar; 0.25 tsp. ground cinnamon