Possible Clues:

• Bread and cake maker
• One who's rolling in dough?
• Rock drummer Ginger
• One who makes bloomers, forgetting financier's name
• His dozen is 13
• Word between butcher and candlestick maker
• Sondheim's Mrs. Lovett, e.g
• Regular supplies from blackberry tart producer
• Tub passenger of rhyme
• Roll producer