Put in buckwheat (or any grain combo you would like to use) and mill for a minute. Set aside.
Put in carrots, apples and nuts and then chop for 3 seconds on speed 8.
Add rest of the ingredients and put on closed lid interval speed for 20seconds or until just mixed. (you may need to use the spatula to help incorporate everything). If you prefer smooth muffins mix for a few more seconds.
Put in muffin trays and cook for 20 min at 180 degrees.