First thing you need is a bag of Peanut Butter M&M's un-opened. The pictured m&m's are "fun size" which is fine and good for the wee little appetite, but more than likely you will have a normal sized bag.
Second thing is to heat up said bag of Peanut Butter m&m's. This can be achieved in a number of ways. Here are my recommended methods of m&m heating.
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A. Easiest and fastest is stick the unopened bag of PB m&m's in the microwave for 10 - 15 seconds.B. Not so easy and Not so fast but effective is to warm the delicious candy through body heat. You can do this by sandwiching the bag between your warm hands or... thighs... yes. Thighs. You could try sitting on them too, but I don't recommend that method. Body heat warming can take up to 30 minutes for your m&m's to reach the desired warmness.
C. Place unopened bag of PB m&m's on the dash board of your car on a sunny day or with the defrost on. Now obviously this method is only effective if you are running errands or taking a road trip.
Last. Once your m&m's are properly warmed. Open bag. Enjoy. The result is ooey gooey Peanut Butter and Chocolatey goodness rather than the stiff cold not so creamy alternative when they are room temperature. Blech.
You're welcome.