Set out your butter and eggs to get them at room temperature
Preheat oven to 375 degrees F. If you don't have a non-stick cookie sheet, line a pan with parchment paper.
Mix together the butter, sugars, eggs, and vanilla. (Tip: crack your eggs in a separate bowl in case you have any shells). Don't overmix! Just mix to combine it.
Sift your dry ingredients and add to the wet ingredients. Add in 3 sections to make sure it is evenly distributed.
Use a cookie scoop or measure about 3TBSP of dough and roll into a ball. Place the cookie dough balls onto your cookie sheet. If you don't bake all your cookies at once, I like to place the dough in the fridge so it doesn't get too warm. Warmer dough = flatter cookies.
Bake for about 9-10 minutes. You want to pull them out when they look light golden brown.