In a glass mixing bowl, mash up strawberries. Add and mix well together; water, sugar, corn starch, and food coloring. Microwave on high for 5 to 6 min. or until thickened & clear, stirring often. Then stir in 2 c. whole fresh strawberries, pour into prepared pie crust and chill for 2 hours, or until set. Serve with whipped cream or ice cream.