1-First Step: Prep Your Workspace and Ingredients Gather tools: mixing bowls, stand mixer or spoon, cookie sheets, parchment paper, oven thermometer. Measure all ingredients accurately using a kitchen scale for flour and sugars. Soft butter at 68°F prevents crumbly cookie fix needs later. Preheat oven now to avoid rushed heats causing burnt cookie bottoms.

2-Second Step: Cream Butter and Sugars Beat butter, white sugar, and brown sugar 2-3 minutes until light and fluffy. Scrape bowl sides. This traps air for rise, fixing cookies not spreading. Underbeating leads to dense cookie texture.

3-Third Step: Add Wet Ingredients Mix in vanilla and one egg at a time, beating well. Dough should look smooth. Cold eggs? Warm them in water first to avoid curdling, a top cookie dough issue.

4-Fourth Step: Incorporate Dry Ingredients Whisk flour, baking soda, salt separately. Add gradually to wet mix on low speed. Stop when streaks vanish. Overmixing toughens dough, sparking spread cookies.

5-Fifth Step: Fold in Add-Ins and Chill Stir in chocolate chips by hand. Chill dough 30-60 minutes covered. Chilling firms butter, solving fix flat cookies perfectly.

6-Sixth Step: Scoop, Bake, and Cool Scoop 2-tbsp balls, 2 inches apart on lined sheets. Bake 10-12 minutes until edges gold. Cool 5 minutes on sheet, then rack. Watch for burnt cookie bottoms by rotating sheets midway.