<<Disclaimer: Verify this information before applying it to your situation.>>
 
          Orange-sour cream loaf
8T unsalted butter,room temp (I subst. =amnt non-fat plain yogurt
1 C gran. sugar
2 large eggs (I subst. 4 egg whites)
1 T freshly grated orange peel
2 C g.f flour mix (B.Hagmans mix -- 2 C white rice fl, 2/3 C pot. starch fl,
                   1/3 C Tapioc fl)
1 t baking powder
1/2 t baking soda
1/2 t salt
1 C reduced-fat or reg. g.f. sour cream
1/2 T xanthan gum
1/2 T clear gel(or just add 1 T xanthan if you don't have cl gel)
9x5x3 inch loaf pan
Heat oven to 350. Spray pan with pam
Beat the butter and sugar on high speed for 5-7 min, until pale & fluffy.
 Scrape the sides of the bowl.  Add the eggs, one at a time, beating after
each. Add the orange peel.