Preheat oven to 375 degrees.
Using a stand mixer fitted with the paddle attachment or a hand mixer, cream the shortening and brown sugar on high for 1-2 minutes. Scrape down the bowl once complete.
Add in milk, eggs and vanilla extract. Mix until combined. Scrape down the bowl once complete.
In separate bowl, whisk dry ingredients together (flour, baking soda, salt).
Add dry ingredients to wet ingredients in 4 portions. Mix until combined
Using a wooden spoon, mix in the chocolate chips.
Grease and line baking sheets with parchment paper or silicone baking mat.
Grease a 1 ½ inch cookie dough scoop and scoop dough. Then flatten the dough out and place a frozen Nutella dollop in the center of the dough. Fold the dough over the Nutella (ensure it is fully covered by cookie dough) and roll dough into a ball.
Place the dough balls on to baking sheet, leaving at least 1 inch in between each cookie.
Bake for 8-10 minutes or until bottom and edges of the cookies are slightly browned.
Let cookies cool on baking sheet for 5-10 minutes, then transfer to cooling rack.