Possible Clues:

• Traditional bouquet tosser
• Lawrence's new wife
• "Here comes ___"
• That gets toasted, but not like 25 down
• Lawrence poem (part of the Great Hebridean cycle)
• You get a toasted one at 4 down
• She gets 17 across
• After being toasted, she has him on toast
• Those of Babylon are found in Arden
• We'd toasted this