Sift together flour, baking powder, salt and spices.
Add raisins and coat.
Cream sugar, butter and molasses; add milk, eggs and pumpkin and blend well.
Stir dry ingredients blending only until flour disappears.
Fill greased muffin pans full. Bake at 375 degrees for 16 - 18 minutes.
Makes 12 - 15 large muffins.