Preheat oven to 375 degrees. At the same time, add 1 tbsp unsalted butter into bowl and set aside. 

Into a sauce pan, add 5 tbsp unsalted butter. Melt & slowly brown, whisking so not to burn. When it begins to sizzle take off heat. Add melted butter to bowl & mix together the melted & unmelted butter. 

Next add brown sugar, granulated sugar & vanilla extract. Whisk to combine. Add in egg **(add the entire yolk & only a little bit of the egg white). Combine all ingredients. 

In a small bowl combine the baking soda & flour. Sift to mix together. After mixed, add flour to wet ingredients. Let sit for 3-5 minutes. 

Add in chocolate chips. (chocolate chunks, milk chocolate & dark chocolate). Stir to combine & let sit for a few more minutes. 

Scoop dough into 2 tbsp size balls & place on baking sheet. Cook in oven for 12-15 minutes until brown on edges. Enjoy!