Okay I grew up using cups and find scoopscrapedump more convenient than trying to get the exact amount on a scale, BUT You are so right about 2 cups of spinach! Or really any leafy green, even worse than lumpy nutts or variously sized berries! Considering how much a cup of spinach can vary depending how you pack it, (not to even get into fresh/wilting/deflated/cooked and grown/baby leaves!) I grab 2 handfuls, although your hands may be a different size. Or I use as much spinach as I have, unless I want to save some for whatever reason.