• 

  unsalted butter diced, plus extra to grease

  8 oz
• 

  brown sugar

  4 oz
• 

  granulated sugar

  11 oz
• 

  vanilla extract

  2 tsp
• 

  large eggs

  3
• 

  plain Greek yogurt

  5 ½ oz
• 

  whole milk

  5 oz
• 

  all-purpose flour plus extra to dust

  13 oz
• 

  salt

  ½ tsp
• 

  baking powder

  2 tsp
• 

  baking soda

  ¾ tsp
• 

  dark chocolate chips

  8 oz

Glaze

• 

  confectioners sugar

  7 oz
• 

  water

  1 ½ oz
• 

  chocolate chip cookies crushed to decorate