if you plan to do this a lot you might want to invest in a Vita Mix and purchase the optional dry container and blade for grinding grain, nuts, seeds, coffee etc. new they are way expensive, but used reconditioned ones from the factory can be had for less than the price of a food processor. they do so much, we have had ours for over 20 years, bought used and has been factory reconditioned twice (for free), and new pitchers about 10 yrs ago, we use it almost daily, and did grind grain when we had a bread machine, it worked exceedingly well for that purpose, also better than a coffee grinder that was lent to us for grinding whole coffee beans.
we use only the wet container now, for soups and fruit smoothies mostly, but drinks and chopped ice for parties, sorbet and fruit desserts, it has at least 38 separate uses I can think of off the top of my head.
I buy cabbage in bulk, chop and freeze a head in freezer bags in a matter of minutes, then thaw for slaw or just add to other recipes. I chop potatoes for hash browns, potato pancakes etc. chop carrots and other veggies.
I buy once a month onions, celery, bell peppers, parsley etc and chop them in the Vita Mix (use directions for water chopping veggies), drain, mix and freeze so I always have seasoning veggies for soup, omelets and other recipes.
I also grind whole flaxseed in the dry container.
my brother started grinding his own grain and making bread (he also tried some Ezekiel style recipes) so we got him one, he bakes bread twice a week and says it is superior to anything he has used before, and he has been a natural foods guy all his life.
get the real Vita Mix not a juicer or food processor, factory is in Cleveland (Olmsted Falls or North Olmsted, I forget which)