Preheat oven to 350°. Beat butter and sugars at medium speed with a stand mixer or with a hand mixer until very creamy (a few minutes).

Add eggs and vanilla, beating until blended and fluffy.

Combine flour, baking soda, and salt in a small bowl; gradually add to butter mixture, beating just until blended.

Mix in morsels and pretzel sticks just until combined.

Drop by tablespoonfuls onto parchment paper-lined baking sheets.

Bake at 350° for 10 to 14 minutes or until desired degree of doneness. For soft chewy take them out when edges just start to brown and center not quite set

Allow to cool on pans a few minutes. Remove to wire racks, and cool completely (about 15 minutes)