Add softened cream cheese to clean mixing bowl, and beat for 1 minute until it is smooth.
Add 1 tsp salt and 1 tsp of Vanilla and mix until well combined.
Add 1 cup of powdered sugar, cover mixing bowl with a towel as you mix on low, check after about 30 seconds and mix until well combined.
Add the second cup of powdered sugar ( again cover the mixing bowl so that you don't get a cloud of powdered sugar) and mix on low until well combined. Scrape the bowl with a spatula.
Add the third cup of powdered sugar ( again cover the mixing bowl so that you don't get a cloud of powdered sugar) and mix on low until well combined. Scrape the bowl with a spatula.
Repeat the above step, scrape the bowl and mix until smooth and stiff.
Scrape the bowl, and mix on medium speed for 2 minutes.
Add frosting to a pipping bag or a zip lock bag and cup the corner or tip about 1/2 inch off.
Match pairs of cookies up by equal sizes.
Add the filling from the outside edge of one of the each of the pairs of cookies and swirl inward.
Gently press the top of the cookie onto the frosting. Options: you could roll in chopped toasted pecans, if you like nuts.
Enjoy.