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black beans vs pork

How black beans and pork compare on protein, climate impact, water use, land use, saturated fat and fibre — with a clear verdict.

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The numbers

Protein (g / 100 g)
black beans
8.9
pork
25
Climate impact (kg CO₂e / kg)
black beans
0.8
pork
12
Water use (L / kg)
black beans
55
pork
796
Land use (m² / kg)
black beans
3.1
pork
11
Saturated fat (g / 100 g)
black beans
0.1
pork
3.8
Fibre (g / 100 g)
black beans
8.7
pork
0

The verdict

black beans is the better everyday choice. It uses less land and water and carries a smaller carbon footprint than pork, while covering the same role on the plate. If protein density is your priority, adjust portion size rather than going back to pork.

Sources: Poore & Nemecek (Science, 2018), FAO, USDA FoodData Central, Mekonnen & Hoekstra (2011).

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In depth

The longer answer

Black beans and pork are often compared as protein sources in hearty meals like stews, tacos, and rice bowls. Black beans are legumes, rich in fiber and plant-based protein, while pork is a meat prized for its umami flavor and complete protein profile. People weigh them for health, cost, and environmental reasons, especially when choosing between traditional and plant-forward diets.

Nutritionally, black beans offer about 15 grams of protein and 15 grams of fiber per cooked cup, with no saturated fat. Pork provides roughly 22 grams of protein per serving but contains saturated fat and cholesterol, and lacks fiber. Environmentally, black beans have a far lower carbon footprint—roughly one-tenth that of pork—and require less water and land, largely because legumes fix nitrogen and need minimal inputs.

In practice, black beans work best in dishes where their creamy texture and earthy taste complement spices, like burritos or soups. Pork offers a savory depth that some find irreplaceable in traditional recipes. For everyday meals, black beans are cheaper, shelf-stable, and healthier for heart and planet. For occasional indulgence, pasture-raised pork may be chosen, but black beans can often substitute with added seasoning.

At a glance

Quick facts

Protein per 100 g
black beans: 8.9 g · pork: 27 g
Fibre per 100 g
black beans: 8.7 g · pork: 0 g
Greenhouse gases per kg
black beans: ~1.8 kg CO₂e · pork: ~12 kg CO₂e
Water footprint per kg
black beans: ~4,000 L · pork: ~6,000 L

In practice

What this means for you

  • Swap pork for black beans in chili by doubling the cumin and adding smoked paprika.
  • Use mashed black beans as a binder in veggie burgers instead of ground pork.
  • For carnitas-style flavor, simmer black beans with garlic, oregano, and a bay leaf.
  • Pair black beans with rice to form a complete protein, matching pork's amino profile.

FAQ

Common questions

Can black beans replace pork in any recipe?
Not exactly—pork's fat and texture are hard to mimic. In stews and tacos, black beans work well with bold spices. For pulled pork, try jackfruit or mushrooms instead. Black beans shine in dishes where they can absorb flavors, like curries or rice bowls.
Are black beans healthier than pork?
Generally yes. Black beans are high in fiber and low in saturated fat, supporting heart health and digestion. Pork provides more complete protein but also cholesterol and saturated fat. For most people, beans are the healthier daily choice, though lean pork in moderation is fine.
Which is cheaper: black beans or pork?
Black beans are significantly cheaper, especially dried. A pound of dried beans costs about $1.50 and yields six cups cooked. Pork averages $4–$6 per pound. For budget-conscious meals, beans offer more servings per dollar and store longer without refrigeration.

Sources: Poore & Nemecek (Science, 2018), FAO, USDA FoodData Central, Mekonnen & Hoekstra (2011).

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