Tomato Pie

1 (No. 2 1/2) can tomatoes
1 cup granulated sugar
1/2 teaspoon salt
6 tablespoons cornstarch

Put tomatoes, sugar and salt in pan and bring to a boil. Mix cornstarch with a little water. Add gradually until it thickens (may need more or less cornstarch). Roll pie crust and sprinkle the bottom with cinnamon. Pour in tomatoes and sprinkle with cinnamon. Put top crust on. Bake at 450 degrees F for 10 minutes, then at 375 degrees F until done, about 30 minutes.