Step 1

Place a large pot of water on the stove and add in the peeled and cubed potatoes. Get the water up to a boil, and then boil for 20 minutes, or until potatoes are cooked.

Step 2

Remove from heat and drain water.

Step 3

Place to the side.In a medium pot over medium-high heat melt butter and sautee onion for 6 minutes.

Step 4

Add in the flour and using a whisk, mix well for 30 seconds to one minute.Gradually start whisking in the milk, about ½ cup to a cup at a time, constantly stirring. You want to keep whisking and adding milk and stirring. Bring to a boil, and then turn heat down to medium and allow the mixture to simmer for 8-10 minutes until thickened.Stir in the potatoes and cook for an additional 5 minutes.

Step 5

Add in the cheese, salt and pepper, sour cream and stir well.

Step 6

Remove from heat and allow to cool slightly before serving.Top with additional sour cream, cheese, and bacon bits if desired.