Yeah, this is what I do. It’s actually what I’ve done for decades, even before going vegan; I’ve always been allergic to seafood and nuts, so omegas are kinda hard for me to get.
Ground flax is great in a lot of things, morning oatmeal and soups are probably the big ones (though, does make is ‘gooey’, but for soups, does make ot similar to adding flour to thicken).
Whole flax seeds are better in stuff you don’t want ‘thickened’.
Or a woman.
Ancient Greece, generally speaking, hated women