1 across. Streaky confection. 6 letters and 4 letters.
7 across. Black coat on ocean. 3 letters and 5 letters.
8 across. On the edge of one’s seat. 4 letters.
9 across. Top businessperson. 4 letters.
10 across. Flier from remains of fire? 7 letters.
12 across. Privy. 5 letters and 6 letters.
14 across. Thicket. 7 letters.
16 across. Mog. 4 letters.
19 across. Noble gas. 4 letters.
20 across. Nit-picking. 8 letters.
21 across. Shrove Tuesday topping? 5 letters and 5 letters.