Heat oven to 350°F. In medium bowl, combine strawberries and 2 tablespoons sugar; set aside.
Bake biscuits as directed on bag. Brush tops of baked biscuits with butter; sprinkle with ½ teaspoon sugar. Cool slightly, about 10 minutes.
Split biscuits horizontally. Top bottom halves of biscuits with strawberry mixture and whipped topping; top with biscuit tops.