Heat the oven to 350°F.
In a large bowl, bring the fat to a cream with the brown sugar using an electric mixer at medium speed for 2 minutes or until it’s smooth.
Add the egg, milk, and vanilla, beating for 1 minute or until you get a perfect mixture.
Combine flour, salt, and baking soda. Add gradually, at low speed, for 1 minute or until everything is mixed.
Drop the dough by large spoons onto an ungreased cookie sheet.
Bake for 8 to 10 minutes.