Russet potatoes
The big brown baking potato, the highest in starch of the common kinds. This soup slices it thin, skin on.

What to buy
Large ones, firm and heavy, with no soft spots or green skin. Scrub them well if the skins are staying on.
Facts
- The potatoes highest in starch are russets, also called Idaho or baking potatoes. They cook up fluffy and are good for baking, roasting, and mashing. Potatoes, University of Tennessee Extension
- Idaho russets average 21 percent solids to 79 percent water. Do Some Varieties of Potatoes Have Less Starch Than Others?, Idaho Potato Commission
USDA values per 100 g
Potatoes, russet, flesh and skin, raw (Includes foods for USDA’s Food Distribution Program). FoodData Central entry 170027.
| Nutrient | Amount |
|---|---|
| Calories | 79 |
| Total fat | 0.08 g |
| Saturated fat | 0.03 g |
| Trans fat | 0 g |
| Cholesterol | 0 mg |
| Sodium | 5 mg |
| Carbohydrate | 18.07 g |
| Fiber | 1.3 g |
| Sugars | 0.62 g |
| Protein | 2.14 g |
| Calcium | 13 mg |
| Iron | 0.86 mg |
| Potassium | 417 mg |
| Vitamin D | 0 mcg |
