A typical 1 cup serving of morel mushrooms contains 2.1 grams of protein (3.12 g per 100 g), which makes it only a minor source of protein. That covers roughly 4% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Protein accounts for roughly 40% of the calories in morel mushrooms, making it very protein-dense. The rest comes from fat and carbohydrate, so it adds a solid amount of protein while still carrying real energy - useful when you are eating to a calorie target rather than under one.
Among the 105 vegetables in the database, morel mushrooms ranks 47th by protein per serving, and 648th out of all 796 foods on the site. Set against rutabaga, another vegetable entry in the database, a serving carries about 0.5 g more protein (rutabaga has 1.6 g per 1 cup cubes 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 66 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #168423 - "Mushrooms, morel, raw" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Morel mushrooms protein FAQ
How much protein is in morel mushrooms per 100 g?
Morel mushrooms has 3.12 g of protein per 100 g. A typical 1 cup serving (66 g) provides 2.1 g.
Is morel mushrooms a complete protein?
No. Morel mushrooms is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
How much of the Daily Value does a serving of morel mushrooms cover?
A 1 cup serving of morel mushrooms contains 2.1 g of protein, about 4% of the 50 g reference Daily Value.
Is morel mushrooms a good source of protein?
Morel mushrooms is only a minor source of protein, and about 40% of its calories come from protein, which makes it very protein-dense. Set against rutabaga, another vegetable entry in the database, a serving carries about 0.5 g more protein (rutabaga has 1.6 g per 1 cup cubes cooked).