Brown Sugar Muffins

½ c. margarine
1 egg
1 tsp. soda
1 tsp. vanilla
1 c. milk
1 c. brown sugar
2 c. flour
¼ tsp. salt
¼ c. nuts (if desired)

Cream margarine and brown sugar. Add eggs and milk. Mix remaining ingredients until smooth. Bake in 375 oven for 20 minutes. Makes 12 to 18 muffins.