Line a 9x13 baking dish with parchment or wax paper. Set aside.

In a small saucepan over low heat, add the honey and butter and stir until butter has melted. Remove from heat and Whisk in the brown sugar, peanut butter, vanilla, and cocoa powder.

In a large bowl, combine the oats, cereal and pretzel pieces. Pour the butter mixture over top and stir to combine. Make sure to fold a few times so that everything is coated.

Press the mixture firmly into the prepared baking dish and place in fridge to set at least 1 hour before slicing into bars.