Melt butter, add 1/2 cup sugar and pretzels. Stir to coat and put on a cookie sheet and bake for 7 minutes.
Stir pretzels until cool or they will stick together.
Beat together remaining 1/2 cup sugar, cream cheese and Cool Whip. Stir in drained strawberries. Chill for 2 hours.
Add pretzel mixture just before serving.