I am intolerant to gluten (was diagnosed with Hashimoto thyroiditis, my symptoms become much milder when I don't consume gluten). I wish to eat lots of healthy fiber, preferably cheap one, to lower the chances of colon cancer. Do oat müsli by Spar S-budget (picture below) contain gluten?     
Bake it all and freeze some cookies.  Cookies freeze great.  And you can let them sit out overnight to thaw without worries.  