How do you make the original Tim Tam better? Easy, just add another layer of creamy chocolate! The Tim Tam Double Coat has three types of chocolate in one biscuit, which is more than any chocolate lover could wish for.‘ The most irresistible chocolate biscuit’! Each packet contains 9 Tim Tams.Like a Tim Tam Original each biscuit consists of two layers of chocolate malted biscuit sandwiching a creamy light chocolate layer, however instead of a thin covering the Tim Tam Double Coat has twice as much creamy chocolate on the outside.