5a) More impulsive item for breakfast (6)
7d) Speak to ambassador first, adorned in this? (8)
8d) Vigorously press on nerve ending to get this? (8)
15d) Hay, for instance, spoils a brand new church (4,5)
19a) Worker invested in revised benchmarks for lenders (8,5)
Apology for no letters. All help much appreciated.