Preheat oven to 400 degrees F (205 degrees C). Combine sugar, cornstarch, and water. Cook over medium heat until thick. Stir in strawberries and remove from heat. Pour mixture into baking dish and dot with butter. Sift together flour, sugar, baking powder, and salt. Cut in butter. Stir in cream and spoon on top of berries.
Preheat oven to 400 degrees F (205 degrees C). Combine sugar, cornstarch, and water. Cook over medium heat until thick. Stir in strawberries and remove from heat. Pour mixture into baking dish and dot with butter. Sift together flour, sugar, baking powder, and salt. Cut in butter. Stir in cream and spoon on top of berries.