Tallywell.

Coffee (brewed) vs Green tea (brewed)

Both count toward 30 plants a week.

Coffee (brewed)Green tea (brewed)
Protein · per 100 g0.1 g0.0 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g2 kcal1 kcal
Protein · per 100 kcal5.0 g0.0 g
To hit 30 g protein30000 g · 600 kcal · — kcal

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.