Cream the butter and sugars

• Beat the softened butter with the brown sugar and white sugar until light and creamy.

Add the egg and vanilla

• Mix in the egg and the vanilla extract until fully incorporated.

Mix the dry ingredients

• Whisk the flour, baking soda and salt together in a separate bowl.

Combine the dough

• Add the dry ingredients to the wet mixture and stir until just combined, without overmixing.

Fold in the mix-ins

• Fold in the chocolate chips, crushed pretzels and chopped Caramilk bar.

Chill the dough

• Shape the dough into large balls and chill in the fridge.

Bake

• Bake at 190 °C (375 °F) until the edges are golden and the middles are still soft.

Cool

• Let the cookies cool on the tray before serving.