The vanilla pudding powder is the secret ingredient that creates exceptional softness and richness—don't skip it or substitute it, as it adds moisture and tenderness that regular flour cannot achieve.

Pack your brown sugar firmly when measuring to ensure maximum moisture content in your dough, which directly contributes to the cookies' signature soft, chewy texture throughout storage.

Remove cookies from the oven when the edges are set but the centers still look slightly underdone—they'll continue cooking on the hot baking sheet and develop that ideal soft, tender crumb.

Lightly toast pecans in a dry skillet for 3-4 minutes before chopping and adding to the dough to intensify their nutty flavor and add sophisticated depth to each bite.

Use softened (not melted) salted butter at room temperature for optimal creaming with sugars—this incorporates air for a lighter texture while the salt in the butter enhances overall flavor complexity.