The crafts on offer differ depending on the theme, and range from hats to inventive cocktails and cakes from four or five different artisans.

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Five employees from the company's cakes and desserts factory in Hull, along with two Unite representatives, travelled to the Dublin office to deliver the petition, which was signed by "hundreds of workers", Unite said.

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But Newsnight has contacted five trusts which say they have not passed on the guidelines, and that cakes and biscuits are still available on prescription.

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Almost five years later, diners are still packing the house to sample his crispy rice cakes filled with Florida rock shrimp and smoky chorizo as well as ceviche made with a local catch, papaya, red onion, citrus and avocado.

WSJ: Michael Schwartz's Maple-Glazed Quail With Pear and Almond Salad | Slow Food Fast