Awasome Best Mashed Potatoes Sour Cream Ideas. Teigen calls for 4 pounds of yukon gold potatoes, three sliced and peeled shallots, one cup of heavy cream, one cup of butter, flour. Web directions place potatoes in a large saucepan and cover with water.

Drain and transfer to a large bowl. The liquid becomes more viscous, and. Drain the potatoes in a colander.