BBC NEWS | UK | England | West Yorkshire | Scientists' 'perfect' bacon buttyLast Updated: Monday, 9 April 2007, 11:16 GMT 12:16 UK Scientists have created a mathematical formula of how to make the perfect bacon butty. Experts at Leeds University discovered the secret to the ideal sandwich lay in how crispy and crunchy rashers were. They found that two or three back bacon rashers should be cooked under a preheated oven grill for seven minutes at about 240C (475F). The baco
