4 tbsp. softened butter
1/4 c. brown sugar
1/2 c. sugar
1 egg
1 c. buttermilk
1 3/4 c. flour
4 1/2 tsp. cinnamon
1 tsp. baking soda
1 c. rhubarb, chopped

Mix all ingredients. Pour into paper lined muffin tins. Bake at 400 degrees for 15 minutes. Makes 12 muffins.