Chocolate Oatmeal Walnut Muffins

I made these yummy muffins over General Conference weekend. It was perfect snacking on these while we watched the speakers share their messages on the computer!
This recipe comes from Mom2Rose from recipezaar. She is from Michigan, USA and found the recipe on the Hershey's website.

Chocolate Oatmeal Walnut Muffins
1 cup quick cooking or regular oats
1 cup buttermilk
1/3 cup vegetable oil
2/3 cup light brown sugar
1 egg
1 tsp vanilla
3/4 cup flour
1/4 cup baking cocoa
1 tsp baking powder
1 tsp salt
1/2 tsp baking soda
1 cup walnuts, coarsely chopped

Heat oven to 400 degrees. Combine all ingredients gently in a mixing bowl. Pour into muffin tins lined with paper baking cups.
Bake 16-18 minutes. I was able to get 12 muffins from this recipe.