Head-to-head comparison

Lamb (leg, roasted) vs Tempeh: Which Has More Protein?

On paper, Lamb (leg, roasted) and Tempeh solve a similar problem — protein intake — but they get there differently enough to be worth a direct look.

Lamb (leg, roasted)

25.0gprotein / 100g

258 cal · 16.0g fat · $$$$ · Quality 0.91

Tempeh

19.0gprotein / 100g

192 cal · 11.0g fat · $$ · Quality 0.85

Lamb (leg, roasted) delivers a clearly higher protein density than Tempeh — 25.0g vs 19.0g per 100g, a gap of 6.0g that adds up fast across multiple servings.

On protein quality specifically, Lamb (leg, roasted) scores higher — lit_estimate, complete animal protein — compared to Tempeh, which is DIAAS-adjusted, complete plant protein.

Tempeh is the more budget-friendly pick ($$ vs $$$$ for Lamb (leg, roasted)), worth weighing if cost matters more than the other differences here.

If you're eating plant-based, this comparison is moot — Tempeh fits, Lamb (leg, roasted) doesn't.

Lamb (leg, roasted)'s typical serving also delivers more leucine (1980mg vs Tempeh's 1450mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.

Verdict

The real deciding factor is dietary fit, not macros: choose Tempeh if you need it to be plant-based, choose Lamb (leg, roasted) otherwise — the protein numbers are close enough that diet compatibility should lead.

Full nutrition comparison

Per 100gLamb (leg, roasted)Tempeh
Protein25.0g19.0g
Calories258192
Fat16.0g11.0g
Carbs0.0g9.4g
Fiber0.0g9.0g
Quality score0.910.85
Relative cost$$$$$$
Prep time90 min15 min

Frequently asked

Which has more protein, lamb (leg, roasted) or tempeh?

Lamb (leg, roasted) has 25.0g of protein per 100g compared to Tempeh's 19.0g.

Which is lower in calories?

Tempeh is lower in calories per 100g, at 192 vs the other's 258.