WellByNumbers.

Scallions (raw) vs Onion (raw)

Both count toward 30 plants a week.

Scallions (raw)Onion (raw)
Protein · per 100 g1.8 g1.1 g
Carbs · per 100 g7.3 g9.3 g
Fat · per 100 g0.2 g0.1 g
Fiber · per 100 g2.6 g1.7 g
Energy · per 100 g32.0 kcal40.0 kcal
Protein · per 100 kcal5.7 g2.8 g
To hit 30 g protein1639 g · 525 kcal2727 g · 1091 kcal

The same three numbers, drawn

Protein / 100 g1.81.1Fiber / 100 g2.61.7Protein / 100 kcal5.72.8ScallionsOnion

What 30 g of protein looks like on a plate

1639 gScallions525 kcal rides along2727 gOnion1091 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 19%carbs 76%4%
protein 10%carbs 88%2%

The one-line verdict: Scallions (raw) delivers 2.1× the protein per calorie of Onion (raw) (5.7 g vs 2.8 g per 100 kcal).

More protein / 100 g: ScallionsMore fiber / 100 g: ScallionsLighter per 100 g: ScallionsSmaller 30 g portion: Scallions

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.