Advent!

Across

2. Youngest* brother
5. A tune
9. Stay warm
10. Month
14. Ballet
17. Gifts
19. Good view but bad
20. Roast 'em

Down

1. Indoor flame
3. Book of birth
4. Middle brother
6. Ex. Crocadoodle
7. Night sky
8. Breakfast bun
11. _____ Cane
12. Kissing plant
13. Walk spot
15. David's ___
16. Oldest brother
17. Salty snack
18. Who?