Pumpkin Muffins

1/2 c. butter or margarine, softened
3/4 c. firmly packed brown sugar
1/4 c. molasses
1 egg
1 c. cooked, mashed pumpkin (i use canned)
1 1/2 c. flour
1 tsp. baking soda
1/4 tsp. salt
1/2 c. chopped pecans

Beat butter at medium speed of an electric mixer. Gradually add sugar, beating well. Add molasses, egg, and pumpkin, mixing well. Combine flour, soda, and salt. Add to creamed mixture, mixing well. Stir in pecans. Spoon batter into greased muffin pans, filling them 3/4 full. Bake at 400* for 18 minutes.