Gather your tools: mixing bowls, mixer, measuring cups, and a baking sheet.
Step 1 – Cream Butter and Sugars
Cream butter and sugars until light and fluffy.
Step 2 – Add Eggs and Vanilla
Add eggs and vanilla, mix well.
Step 3 – Mix in Dry Ingredients
Stir in flour, baking soda, baking powder, salt, and cornstarch until just combined.
Step 4 – Fold in Chocolate Chips
Fold in chocolate chips.
Baking
Drop tablespoon-sized spoonfuls onto an ungreased baking sheet, spacing them 2 inches apart. Bake at 350°F for 10-12 minutes or until edges are lightly golden but centers are still soft.
Final
Enjoy your homemade cookies with a glass of cold milk! Makes about 24 cookies.