255 Waitrose with some kind of food counter:

16 Waitrose have one counter, 7 have 11 counters:

 16 1
  8 2
  5 3
 15 4
 32 5
 40 6
 56 7
 33 8
 33 9
 10 10
  7 11

• 15 Waitrose have just a Bakery.
• Sutton branch has Olive Bar, but no Bakery.
• Full range: 'Fish', 'Cheese', 'Bratt Pan', 'Delicatessen', 'Olive Bar', 'Rotisserie', 'Carvery', 'Meat', 'Bakery', 'Salad Bar', 'Meal Centre'
• There are 189 branches with at least: Fish, Delicatessen, Meat, Bakery