Prep Time 15 minutes mins
Cook Time 12 minutes mins
Chill Time 30 minutes mins
Total Time 57 minutes mins
Chilling the dough is essential for thick, chewy fudge cookies. Do not skip this step. Pull cookies from the oven when centers still look slightly underdone — they will finish setting on the hot baking sheet. Use chocolate with at least 60% cacao for the richest flavor.