Karl Ove Knausgaard: ‘All the great writers were meant to be sparse and minimal, like Beckett. That... completely f**ked my writing up. It didn’t suit me.’   Photograph: Simone Padovani/ Awakening/ Getty Images

I am sitting opposite Karl Ove Knausgaard, the best-selling Norwegian novelist, and he has just told me that toast – as in, lightly grilled breakfast (...)