What are some good cookie recipes?

I would like to make good red velvet cookies, and chocolate crinkle cookies. Any recipes you know of?
Also what are some random but good things to put in a cookie?
Trying to make my family happy, but when I made the crinkle cookies they were completely flat, and the red velvet cookies were dry and not sweet…
Please help me find some delicious recipes.
I prefer not using boxes.
But I do love a good brownie cookie.

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