Southwest Mashed Sweet Potato

5 to 6 medium sized sweet potatoes

1 c sour cream

1/2 c butter, softened

1 4-oz. can chopped green chilis

3/4 tsp salt

1/4 tsp pepper 

Peel potatoes and cut into 1-inch pieces. 

Cover with cold water in a large pan and bring to a boil for 12 minutes, or until tender. 

Drain and return potatoes to the pan. 

Add remaining ingredients and mash with a masher until smooth.