Sugar Cream Pie *

2 cups heavy cream
1/2 cup all purpose flour
1/2 cup brown sugar
1/2 cup sugar
1/2 cup milk
1 teaspoon vanilla
1 (9 inch) refrigerated pie crust
1 Tbsp butter
1 tsp ground cinnamon

Preheat oven to 350.  In a medium bowl, combine heavy cream, flour, brown sugar, 1/2 cup sugar, milk, and vanilla.  Fit crust into a 9 inch pie pan and dot bottom with butter.  Pour filling into crust.  Combine cinnamon and remaining 3 Tbsp sugar and sprinkle on top.  Bake pie until set and center is firm to touch, about 1 hour. Cool on a wire rack.