| If at any point the sauce starts to go grainy and curdle, then add a tiny splash of boiling water from the kettle. |
| The guide explained they add rennet, an enzyme from the stomach of calves, which causes the milk to curdle. |
| She also had a temper that could strip paint and curdle milk, but her humour made up for that. |
| His growl is impressively rabid, and his bark could curdle a bowl of milk at 20 paces. |
| She's coy enough to curdle butter, looking up at him from under her lashes. |
| If the tub can be left for a decent period of time in direct sunlight, so the cream begins to separate and curdle, all the better. |
