Break Toast Yay cookies into bite sized pieces and mix in a large bowl with mini marshmallows. Set aside. Prepare a 9x13 baking dish with parchment paper, butter or lightly spray parchment.

In a large microwavable bowl, combine chocolate chips and sweetened condensed milk. Stir well. Microwave for 1 minute and stir. If not smooth and mixed well, microwave on regular power in 30 second increments (not exceeding 2 minutes total so 2 rounds of 30 seconds) stirring just until smooth and creamy.

Pour over cookies and marshmallows and stir well to combine. Gently spread mixture in prepared 9x13 pan.. Refrigerate for 1 hour until set. Remove from fridge and prepare to drizzle.

In a microwavable container, mix white chocolate with a splash of milk and microwave for 1 minute. Proceed the same way as with the chocolate chips, heating in 30 second increments not to exceed 2 total minutes stirring each time to mix until smooth. add vanilla and mix well.

Cut candy pieces into squares and use a fork to drizzle with white chocolate. Allow to set at room temperature and enjoy!