Possible Clues:

• Town north of Cardiff
• Deliver sermon without church's backing in unfriendly Welsh town
• Reach no conclusion going back to little American city famous for its cheese
• Mild white cheese originally made in a town in South Wales
• Worry female horse audibly in Welsh town
• Crumbly Welsh food
• Cheese spread clearly inspires Greek character
• Queen (in hat) reaching mountainous Welsh location
• Mashed pear in cold cheese
• Rotten pear smothered in fresh cheese