1
: Combine sweetened condensed milk and vanilla; mix well. Fold in whipped cream and chips. Pour into 9"x5" (2 L) loaf pan; cover. Freeze 6 hours or until firm.
2
: Scoop about 1/4 cup ice cream onto bottom of 1 cookie; top with another cookie, top side up. Press gently. Wrap tightly in plastic wrap. Repeat for remaining sandwiches. Store in freezer.