Many thanks for these great clues, Jolan. It was a joy to return today from the wilds to see these. As always, ingenious and challenging.
Here is my stab at them.
1. ‘Shun food that can be prepared quickly (5,5)- SHORT ORDER? ( double definition, ‘Shun (with apostrophe, short for Attention!) is a “short order” and “food that can be prepared quickly” is also)
2. A first-class cracker produced using minute pits on the surface (6)- HOLMES? (Minute – m, in pits on the surface – holes gives Holmes – a first class cracker)
3. Lucky drawer? (5-4,6)- HORSE-SHOE MAGNET? (A horse shoe is considered lucky and a magnet is a drawer, so “horse-shoe magnet" is a lucky drawer)
4. Range of knowledge shown through variety of proofs chosen (6,3)- SPOKEN FOR? (Range of knowledge – Ken with a variety (anagram) of “proofs” is Spo Ken For – giving spoken for – chosen)
5. Breaking out again? Try using sappers’ rudimentary trail (12) RECRUDESCENT? (Sappers- Royal Engineers – RE, rudimentary – crude and trail- scent gives Re crude scent – breaking out again)
Thanks again.
AB