A few tips for cookie success:
These cookies are a bit sensitive to temperature; cold ingredients and a too hot oven can equal cookies that don't spread, while warm ingredients and a cool oven can result in excess spreadage. For the best results, have your ingredients at room temperature (I usually store my maple syrup and almond butter in the fridge, so I pull them out and stick them on top of the warming oven for half an hour or so before mixing up the dough).
I recommend using an oven thermometer since most ovens don't run exactly true to temperature, and this can affect cookies more dramatically than other baked goods. Ideally the temperature here is 375ºF or a little cooler.
I recommend baking off a test cookie or two to make sure they spread correctly; if you want more spread, flatten the scooped cookies a bit before baking and lower the oven temperature by 25 or 50 degrees. If they spread too much, chill the dough for fifteen minutes or so before scooping and turn the oven up by 25 degrees.
I do recommend making this recipe with the ingredients listed for the best results. I tried a simplified version using only buckwheat flour and old-fashioned rolled oats, but they weren't as thick and chewy as this version. I tried using a darker chocolate (85% cacao mass) which I found too bitter and overpowering. But I wouldn't want a sweeter chocolate here, nor would I want to decrease the maple syrup in the dough as it will make for less spready cookies.
I find the sweetness here just right. I do think you could successfully substitute a gluten-free all-purpose flour blend for the buckwheat and sweet rice flours, however, or a gluten-full flour (AP, whole wheat, spelt, or rye - in this case, skip the step of beating the dough for 20 seconds).
To measure the flours by volume, dip your dry measuring cup into the bag or jar, fluff up the flour a bit, and sweep the excess flour off with a knife or your finger, leaving it flush with the cup.
Be sure to use oats that are certified gluten-free, and chocolate that is certified vegan, if those are concerns for you or your cookie-eating helpers.
All ounce measurements are by weight.
Nutritional values are based on one of thirty two cookies.