Step 1: 1. Crush oreos finely (manually or with a food processor).
Step 3: 2. In a big bowl, put the marshmallows and sugar. Microwave for 2-3 minutes or until the marshmallows melt.
Step 5: 3. Throw in the crushed oreos with the melted marshmallows and mix well.
Step 7: 4. Pour the mixture into a tin pan and chill for 30 minutes or until it is hard enough to cut. Serve.