1/2 cup butter
1/4 cup sugar
1/4 cup flour
2/3 cup evaporated milk
2 (15 ounce) cans whole kernel corn, drained (do not use frozen corn)
2 tablespoons sugar
1/2 teaspoon cinnamon
Preheat oven to 350 degrees F. Lightly grease a 1-1/2 quart casserole dish.
In a large saucepan, heat butter and 1/2 cup sugar until butter is melted. Mix in flour, then remove from heat. Whisk in evaporated milk, then mix in corn. Pour into prepared casserole dish.
Bake in preheated oven for an hour and 20 minutes minutes, until a knife inserted in center comes out almost clean.
Mix together topping (2 T sugar and 1/2 t. cinnamon) and sprinkle some (or all) over top.