My usual breakfast is granola with full-fat plain yogurt and some very strong coffee. I have one or two mugs of the coffee. Sometimes I have a banana as well. Sometimes I have a very small portion of grapefruit as well.

For me, that's a very small meal. I eat a lot, normally, but it takes a while for my hunger to kick in. I often snack after arriving at work. My favorite snack is cashews which I have spiced and roasted myself.