Add the pumpkin puree to a large bowl..
Add the cake mix to the large bowl and mix well.
Scoop the dough into muffin tins lined with cupcake liners.
Bake the muffins 18-20 minutes at 375 degrees.
Let the muffins cool before serving.
The dough is very thick. Mix with an electric hand mixer or a wooden spoon. An ice cream scoop will ensure the batter is evenly distributed in the muffin tins.