In a mixing bowl with a paddle attachment, beat together the peanut butter center ingredients (last three listed above) until it appears to be somewhat fluffy- 2-3 minutes. Set this aside
Fill the muffin cup about 1/3 full. Drop about a tablespoon of the peanut butter mixture into the muffin cup and then cover with remaining muffin batter (about 2/3 full for each muffin).Bake this for 20-25 minutes or until done.
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