Plum poppyseed muffins - not too sweet. Studded with gorgeous plums these would make a great breakfast or anytime snack. Excerpted from THE SMITTEN KITCHEN COOKBOOK by Deb Perelman. Copyright © 2012 by Deb Perelman. All rights reserved. Used with permission from the publisher. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher

Ingredients: unsalted butter, egg, granulated sugar, light brown sugar, sour cream, whole wheat flour, all purpose flour, baking powder,