I’ll defend the actress who was playing the Queen, she was obviously under direction from the director who is/was wrong.
The correct and only way a scon should be constructed and devoured is half a scon, real Butter, homemade thick jam, clotted cream. In equal thickness measures. Now repeat for the other have.
Rocketdog has ventured into marmalade territory, in which he is quite correct, it is delicious and perfectly acceptable.