Related Clues:
- ____ substances turn litmus paper red
- Like lemon meringue pie
- ... Boatman on, say, tea and a pastry
- Sharp — acid
- Granny Smith descriptor
- 'The Queen of Hearts' pastry
- Biting pie
- Dessert sweet
- Pie shop purchase
- Sharp-flavored
- Pastry served in Mostar, tasty
- Tasting like sour grapes
- Butter ____ ( Ubiquitous treat)
- Strong-tasting
- Opposite of basic