Mandarin Muffins - cooking recipe

Ingredients

1/2 c. butter or oleo
1 c. packed light brown sugar
3 large eggs
1 1/2 c. all-purpose flour
2 tsp. baking powder
1/8 tsp. baking soda
1/8 tsp. salt
1 1/2 c. whole wheat flour
1/4 tsp. vanilla
1 c. orange juice
1 (11 oz.) can mandarin orange segments
4 oz. chopped pecans or walnuts (1 c.)

Preparation

Heat oven to 350\u00b0.
Grease 18 regular muffin cups.
Beat butter and sugar in a medium size bowl until pale yellow and fluffy.
Beat in eggs, one at a time.