'All' is a bit of a stretch. I have a relatively healthy diet, and food preparation time is a non-issue. If you're fine with simple dishes (like chopping up veg

'All' is a bit of a stretch. I have a relatively healthy diet, and food preparation time is a non-issue. If you're fine with simple dishes (like chopping up vegetables in a simple salad and eating them raw), it doesn't take more than 20 minutes per day total. Growing up poor in the middle of nowhere helps here.