What does idioms 'a land of honey and milk, having a whale of time' mean?

[Mimic]

English Idioms and Expressions, Advanced Level

ESL/EFL Test #48 "Food Idioms", question 10

Sally made her famous chocolate chip cookies from scratch.

(a) using prepared dough from a box
(b) without using prepared ingredients of any kind
(c) without the use of sugar or any other sweeteners

English Idioms and Expressions, Advanced Level

ESL/EFL Test #48 "Food Idioms", answer 10

Sally made her famous chocolate chip cookies without using prepared ingredients of any kind.

Correct answer: (b) without using prepared ingredients of any kind
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what does idioms (a land of honey and milk, having a whale of time) mean?

Mimic

[Mister Micawber]

a land of milk and honey-- a productive land; a land where no one has to work hard to enjoy a pleasant existence.
having a whale of time-- having a very good time; enjoying oneself very much.
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Native English teacher at Mister Micawber's