1:With an electric mixer at high speed, beat whipping cream until soft peaks form. Add condensed milk and continue to beat until stiff peaks form.
2. Add half-and-half, strawberries, and vanilla; stir.
3. Pour mixture into the canister of a 4- to 6-quart ice-cream freezer. Add milk, if necessary, to fill canister to the freezer line. Freeze according to manufacturer's directions.