Possible Clues:

• Thin-bladed kitchen tool
• Food turner with flexible blade
• Kitchen helper
• Broad flexible blade for spreading and mixing
• Kitchen implement lands me in it having eaten tea, we hear
• Patrick has Saul confused about him, and that's flat
• Broad-bladed implement
• Tool with broad flexible blade for spreading and mixing
• It came out of the mouth to start with, and that's flat
• A lush, half cut, knocks back flat mixer