Related Clues:
- Causing the lips to pucker
- Like unripe apples
- Sharp to the taste
- Jam-filled pastry
- Sharp in manner, biting
- The pastry sounds bitter
- Of taste, sharp or acid
- Difficult like briar
- Troublesome or difficult, like briars?
- Troublesome or difficult - having spikes?
- Sour like open cake
- Sharp tasting- like kind of pie?
- Sour, or an open cake
- A bit sour like open cake
- A bit sour, like flattish pie