Sour cream
Cultured cream, thick and tangy. It goes into the mashed potatoes last, after the butter and cream.

What to buy
Buy the full-fat kind. Take it out of the refrigerator while the potatoes boil so it does not cool them down.
Facts
- Under the federal standard, sour cream contains not less than 18 percent milkfat. 21 CFR 131.160, Sour cream, Legal Information Institute, Cornell Law School
USDA values per 100 g
Cream, sour, cultured. FoodData Central entry 171257.
| Nutrient | Amount |
|---|---|
| Calories | 198 |
| Total fat | 19.35 g |
| Saturated fat | 10.14 g |
| Trans fat | 0.8 g |
| Cholesterol | 59 mg |
| Sodium | 31 mg |
| Carbohydrate | 4.63 g |
| Fiber | 0 g |
| Sugars | 3.41 g |
| Protein | 2.44 g |
| Calcium | 101 mg |
| Iron | 0.07 mg |
| Potassium | 125 mg |
| Vitamin D | 0 mcg |
