Here's what might be the problem, plus what to do to prevent your cookies from spreading. They can be saved yet!
The BEST Chocolate Chip Cookies!
Why Are My Cookies Flat? 9 Tips To Stop Cookies Spreading - Sweetest Menu
10 Guaranteed Tips to Prevent Cookies from Spreading - Sally's Baking Addiction
Why do my cookies come out flat when baking from scratch, but not with a box mix? - Quora
How to Bake Cookies- A Step By Step Guide To Perfect Cookies, Wilton's Baking Blog
Why Are My Cookies Flat? 10 Reasons Why And How To Fix Them!
Cookie Know-How: Why do my cookies spread?
How To Make Perfect Chocolate Chip Cookies - Cloudy Kitchen
r/Baking help! Why are my cookies so flat and dilapidated? : r/Baking
Flat cookies and reasons they spread thin - The Bake School
My cookies always spread and merge like this. If I change oven temp to fight it would I go hotter or colder? : r/Baking
Why Are My Cookies Flat?, How to Stop Cookies from Spreading, Cooking School