How long do you have to cook m and ms cookies have to cook?

M&M's cookies typically need to be baked for about 10 to 12 minutes at 350°F (175°C). The exact time may vary depending on your oven and the size of the cookies, so it's best to keep an eye on them. They should be golden around the edges but still soft in the center when done. Allow them to cool on the baking sheet for a few minutes before transferring to a wire rack.