WellByNumbers.

Portobello (grilled) vs Mushrooms (white, raw)

Both count toward 30 plants a week.

Portobello (grilled)Mushrooms (white, raw)
Protein · per 100 g3.3 g3.1 g
Carbs · per 100 g4.4 g3.3 g
Fat · per 100 g0.6 g0.3 g
Fiber · per 100 g2.2 g1.0 g
Energy · per 100 g29.0 kcal22.0 kcal
Protein · per 100 kcal11.3 g14.0 g
To hit 30 g protein915 g · 265 kcal971 g · 214 kcal

The same three numbers, drawn

Protein / 100 g3.33.1Fiber / 100 g2.21.0Protein / 100 kcal11.314.0PortobelloMushrooms

What 30 g of protein looks like on a plate

915 gPortobello265 kcal rides along971 gMushrooms214 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 36%carbs 49%fat 14%
protein 43%carbs 46%fat 11%

The one-line verdict: Mushrooms (white, raw) delivers 1.2× the protein per calorie of Portobello (grilled) (14.0 g vs 11.3 g per 100 kcal).

More protein / 100 g: PortobelloMore fiber / 100 g: PortobelloLighter per 100 g: MushroomsSmaller 30 g portion: Portobello

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.