Across
- 1. Unit of measure for pressure inside a bottle of Champagne or sparkling wine (3)
- 2. Cava de... Cava's top classification (6,10)
- 5. Famous Californian sparkling producer, bought in 1965 by Jack and Jamie Davies (11)
- 8. Quartet (California sparkling) is associated with this Champagne producer (5,8)
- 9. The Proseccos from this single vineyard are revered above all others (8)
- 11. Famous New Zealand sparkling wine made by Cloudy Bay (7)
- 12. The late, great Michael Broadbent used to enjoy a glass of this Italian sparkling wine mid-morning (7,1,4)
- 14. South Africa's best bubblies are labelled as this (7,3,9)
- 17. Among the best denominations for Lambrusco (7)
- 18. Franciacorta comes from this northern Italian region (7)
- 19. This country leads South America in sparkling wine production (6)
- 21. Massive Cava producer (9)
Down
- 1. Languedoc sparkler made predominantly from the Mauzac grape (10,2,6)
- 3. Small sparkling wine appellation in the Rhône Valley (9,2,3)
- 4. The most important of the three dominant grapes used in Cava production (7)
- 6. Prosecco is made from this grape (5)
- 7. Famous producer of Tasmanian sparkling wine (5)
- 10. Trento sparkling wine producer that shares its name with a famous sports car (7)
- 13. Also referred to as the tank method of sparkling wine production (7)
- 15. This French sparkling wine category is made using the Champagne method (7)
- 16. Term used to describe the sparkling wines of Portugal (9)
- 20. Austria and Germany's sparkling wine (4)