Toastie experts Grill My Cheese are popping up at Selfridges for four weeks this spring, with their will classics The G.M.C and Mac Attack as well as their Rainbow Toastie (that’s beetroot, rocket and caramelised onion flavoured cheeses with goat’s cheese and truffle oil), and the exclusive hot cross bun toastie…yes a HOT CROSS BUN filled with brie, cheddar and spiced salted caramel.