Plant-Based Protein Sources: A Complete Guide for Beginners

Whether you're going fully plant-based, embracing "flexitarian" eating, or simply trying to reduce your grocery bill, understanding plant proteins is increasingly relevant. The good news: getting enough protein without meat is easier than you think.

How Much Protein Do You Actually Need?

The general recommendation is 0.8g per kilogram of body weight daily. For a 70kg person, that's about 56g of protein—achievable with thoughtful plant-based eating.

Athletes and those building muscle may need more (1.2-2g per kg), but even these higher targets are reachable with plants.

The Protein Powerhouses

Legumes

• Lentils: 18g protein per cooked cup
• Chickpeas: 15g per cooked cup
• Black beans: 15g per cooked cup
• Edamame: 17g per cooked cup

Soy Products

• Tofu (firm): 20g per half block
• Tempeh: 31g per cup
• Soy milk: 7g per cup

Nuts and Seeds

• Peanuts: 7g per 30g serving
• Almonds: 6g per 30g serving
• Hemp seeds: 10g per 3 tablespoons
• Chia seeds: 5g per 2 tablespoons

Whole Grains

• Quinoa: 8g per cooked cup (complete protein!)
• Oats: 6g per cooked cup
• Brown rice: 5g per cooked cup

Vegetables (Yes, Really)

• Green peas: 9g per cooked cup
• Spinach: 5g per cooked cup
• Broccoli: 4g per cooked cup

Complete vs. Incomplete Proteins

You may have heard you need to "combine proteins" at every meal. This is largely a myth. As long as you eat a variety of protein sources throughout the day, your body will get all the amino acids it needs.

That said, some plant proteins are complete (contain all essential amino acids): quinoa, soy products, hemp seeds, and chia seeds.

Easy Protein-Boosting Swaps

• Spread nut butter on toast instead of regular butter
• Add chickpeas to salads
• Snack on edamame instead of crisps
• Use lentil or chickpea pasta
• Add hemp seeds to smoothies
• Choose Greek yogurt (if not vegan) over regular

Sample High-Protein Plant Day

• Breakfast: Overnight oats with chia seeds and almond butter (18g)
• Lunch: Quinoa bowl with black beans, roasted vegetables (22g)
• Snack: Hummus with vegetables, handful of nuts (10g)
• Dinner: Tofu stir-fry with edamame and brown rice (28g)

Total: 78g protein—more than most people need!

Common Concerns Addressed

"But plant protein isn't as good as meat"

While some plant proteins have lower bioavailability, eating a variety of sources compensates for this. Most people eating adequate calories from diverse foods get plenty of protein.

"I'll be hungry all the time"

Protein combined with fibre (abundant in plants) is actually more filling than protein alone. Many people find plant-based eating more satisfying.

"It's too expensive"

Dried beans and lentils are among the cheapest foods available. Tofu costs less than chicken per gram of protein.

Getting Started

You don't need to overhaul your diet overnight. Start with one or two meatless meals per week, experiment with new proteins, and gradually expand your repertoire.

Curious about plant-based recipes? Fridgr suggests meals based on your dietary preferences and what's in your kitchen.