Spoon a small amount of milk jam onto flat side of a cookie without a hole and sandwich with a cookie with a hole. (bonappetit.com)
Using a piping bag, cookie scoop, or a knife, fill one side of cookie with filling and sandwich another cookie on top. (lilmisscakes.com)
He discovered quickly that using the sharp side of the cookie cutter was least effective so turned it around and asked for more paper. (rainydaymum.co.uk)