Sweet Potato Muffins
["1/2 c. butter", "1 1/4 c. sugar", "2 eggs", "1 1/4 c. canned sweet potatoes, mashed", "1 1/2 c. all-purpose flour", "2 tsp. baking powder", "1/4 tsp. salt", "1 tsp. cinnamon", "1/2 tsp. nutmeg", "1/4 c. chopped nuts", "1/4 c. raisins, chopped", "1 c. milk"]
["Heat oven to 400\u00b0.", "Grease tins (do not use paper liners). Cream butter and sugar; add eggs.", "Puree sweet potatoes and blend. Sift dry ingredients.", "Add nuts and raisins.", "Mix the 2 mixtures alternately with milk.", "Do not overmix.", "Fill tins completely. Muffins will not rise very much.", "Bake at 400\u00b0 for 25 minutes."]
["butter", "sugar", "eggs", "sweet potatoes", "flour", "baking powder", "salt", "cinnamon", "nutmeg", "nuts", "raisins", "milk"]