1. Grease a 13 by 9 inch pan and set aside.

2. In a large, microwave proof, bowl place your marshmallows, peanut butter, butter, and vanilla extract. Microwave for 1 minute and 30 seconds.

3. Remove bowl, stir, and continue to microwave for 1-2 more minutes, stirring occasionally. You want your marshmallows to become smooth.

4. Stir in rice cereal and Reese's Puffs.

5. Pour into your prepared pan and press firmly.

6. Let your treats cool for about 20 minutes, then cut and serve!