Can you buy pulverized garlic at a supermarked in england?
and yes you can i've made it several times! you can buy the salami too!.....
actually great recipe for making a similar thing (cooking master class part1)
Ciabatta bread, put crushed garlic/garlic paste on it, slice fresh mozerella cheese onto it cut up a couple of cherry tomatoes onto it, a couple slices of salami then grill it!!!!