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										Melt butter in a microwave safe bowl for 10 seconds. 
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										Add dark brown sugar and start mixing with a spoon until it combines. Also add salt and vanilla essence. Stir well to combine. 
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										Add whole milk and stir to mix. 
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										Now mixture turns out smooth and silky. 
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										Add flour and mix it gently. At this point do not over mix. 
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										Add chocolate chips in cookie dough and mix. 
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										Now grease a microwave safe plate or bowl. 
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										Take out the cookie dough and place it on plate and shape it into a cookie and make a dig in centre to fill nutella. 
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										Spoon out a tablespoon of Nutella. 
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										With the help of another spoon fill the cookie. 
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										With the help of your fingers try to cover up Nutella from all sides. 
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										Now bake it for exactly 60 seconds. My microwave is 800 Watts. Increase or decrease time according to your microwave. 
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										Let it cool for 5 to 10 minutes. It's ready to serve.