01 -
Preheat your oven to 350 degrees and line a baking sheet with parchment paper.
02 -
Heat your butter for about 15 seconds so it's half melted and half soft. This is the secret to perfectly soft cookies!
03 -
Mix the granulated sugar and packed brown sugar into the half-melted, half-soft butter until creamy.
04 -
Lightly mix in the egg and vanilla extract until just combined.
05 -
Mix in the all-purpose flour and baking soda until just combined. Don't overmix.
06 -
Fold in the semi-sweet Toll House chocolate chips and walnuts until evenly distributed.
07 -
Roll the dough into cookie balls and place on the prepared baking sheet. Bake for 10 to 12 minutes. Don't overbake - pull them out at the 10-minute mark for the softest cookies!
08 -
Let the cookies cool on the baking sheet for a few minutes before enjoying these perfectly soft treats!