In a large bowl, cream sugar and butter until fluffy. Add sour cream; mix well. Combine dry ingredients; stir into creamed mixture just until moistened. Drain apricots, discarding liquid. Fold apricots, orange peel and nuts into batter.
Fill greased or paper-lined muffin cups three-fourths full.
Bake at 400° for 18-20 minutes or until muffins test done.
Cool 10 minutes before removing to a wire rack.
Yield: about 1 dozen.
Remember, cooking times may vary depending on ovens, so test doneness before stated cooking times. More recipes you might like: