Protein content
A 1 cup serving of roasted potatoes contains 3.8 g of protein - a moderate source of protein, about 8% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is more of an energy food than a protein food.
| Serving | 1 cup (160 g) |
|---|---|
| Protein per serving | 3.8 g |
| Protein per 100 g | 2.37 g |
| Calories per serving | 210 kcal |
| Protein density | 7% of calories |
| Share of 50 g Daily Value | 8% |
| Protein quality | Incomplete protein |
| Category | Vegetables |
| Food type | Whole food |
| USDA record | FoodData Central #2709406 |
A typical 1 cup serving of roasted potatoes contains 3.8 grams of protein (2.37 g per 100 g), which makes it a moderate source of protein. That covers roughly 8% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Only about 7% of the calories in roasted potatoes come from protein, so it is more of an energy food than a protein food. It is worth eating for other reasons; the protein it adds to a day is incidental.
Among the 105 vegetables in the database, roasted potatoes ranks 23rd by protein per serving, and 554th out of all 796 foods on the site. Set against asparagus, another vegetable entry in the database, a serving carries about 0.5 g less protein (asparagus has 4.3 g per 1 cup cooked).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving above is measured by volume at 160 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #2709406 - "Potato, roasted, from fresh, peel eaten, made with oil" (Survey (FNDDS), published 10/31/2024). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Roasted potatoes has 2.37 g of protein per 100 g. A typical 1 cup serving (160 g) provides 3.8 g.
No. Roasted potatoes is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
A 1 cup serving of roasted potatoes contains 3.8 g of protein, about 8% of the 50 g reference Daily Value.
Roasted potatoes is a moderate source of protein, and about 7% of its calories come from protein, which makes it more of an energy food than a protein food. Set against asparagus, another vegetable entry in the database, a serving carries about 0.5 g less protein (asparagus has 4.3 g per 1 cup cooked).
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