I would translate it as "Please, describe a recipe you like with simple instructions."
(You might see from the above that I'm not a native English speaker.) I think that かんたんに here implies that they want that recipe described with simple sentences that are easy to understand.
Your translation makes a lot more sens then my own.
The 'に' in 'かんたんに' threw me of. It relates to 'せつめい' and not to 'りょうりの つくり方' as I originally thought.
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