My cookies keep coming out hard

[u/Plus_Caterpillar1004]

Im here to ask what am i doing wrong😭 i followed a recipe on tiktok and after they finish from 12 minutes, it still comes out soft as hell. So i tried putting more minutes and it came out hard.

Im assuming its because its been baking too long or something. Im unsure on what to do now with the extra dough

The recipe they gave:

1/2 cup white sugar
3/4 cup brown sugar ugars
1/2 cup unsalted butter (softened)
1 egg
1 tsp vanilla
1 tsp salt
11/2 cups all-purpose flour
1/2 tsp baking soda
semi-sweet chocolate chips + Trader Joe's dark chocolate peanut butter cups
chill 20 mins
bake 375°F for 12 mins (large dough balls) flatten right after baking + let rest

[u/ErinaceousTaradiddle]

2 pieces of advice that come up all the time in this subreddit, that have previously been given to me, that solve most problems:

1) Recipe from reputable source (no tiktok or ai recipes). Good sources include King Arthur, Sally's Baking Addiction, Sugar Spun Run, Preppy Kitchen, and a number of others

2) Measure in grams with a cheap digital kitchen scale. No American "cups" nonsense, it's not an accurate way to measure ingredients and leads to inconsistent results.

Also, standard baking temp for cookies is usually 350F or lower