Baked beans are a beloved staple in many UK households, frequently appearing on breakfast plates, in jacket potatoes, or as a quick and satisfying side dish. Tinned and convenient, baked beans are often seen as a nutritious and comforting food, especially because they are based on haricot beans, which are naturally high in fibre and plant protein. But how much protein is actually in baked beans, and can they be considered a reliable source of this essential nutrient?
Understanding the protein content of baked beans requires a look at not only the beans themselves but also how they are prepared, portioned, and served. Baked beans in the UK are commonly sold in tomato-based sauces and usually found tinned in supermarkets. The standard recipes include haricot beans, water, tomatoes, sugar and a small amount of salt and flavouring. The beans themselves are where the protein lies, but it is important to understand how much protein is present per portion, per 100 grams, and how it compares to other plant-based or animal-based protein sources.
Want to explore more about protein powder? Head to our [Protein Powder Guidance Hub], where we answer the most common questions about how it works, how to take it, and what to expect.
Protein Content in a Typical Tin of Baked Beans
A standard 400g tin of baked beans contains around 18 to 20 grams of protein, depending on the brand. Per 100 grams, most baked beans provide approximately 4.5 to 5 grams of protein. This means that half a tin, often considered one serving, delivers about 9 to 10 grams of protein. This is a moderate amount, especially for a plant-based food that also provides complex carbohydrates, fibre, and very little fat.
It is worth noting that the tomato sauce in which the beans are prepared does not significantly add to the protein content. Instead, it contributes mostly carbohydrates, including sugars. While some varieties offer reduced sugar or salt options, the protein remains relatively consistent across the different recipes, as it comes from the haricot beans themselves.
Comparing Baked Beans to Other Protein Sources
Baked beans sit somewhere in the middle of the protein scale. They are not as high in protein as meat, eggs, or dairy, but they offer more protein than many starchy vegetables or refined grains. For example, a large egg contains around 6.5 grams of protein, while a grilled chicken breast can contain up to 30 grams depending on its size. In contrast, a standard serving of baked beans at 9 to 10 grams can contribute meaningfully to a meal, especially in vegetarian or plant-based diets.
When compared to other legumes, such as lentils or chickpeas, baked beans are slightly lower in protein by weight, but still a valuable contributor to plant-based intake. Dried pulses that are soaked and cooked from scratch often offer higher protein per gram because they do not include sauces or water-based preparations that dilute their density. However, baked beans remain one of the most convenient and widely available plant protein sources in the UK.
How Different Brands and Recipes Affect Protein
While the average protein content of baked beans is fairly standard, some brands may vary slightly depending on the recipe and concentration of beans to sauce. Premium or organic brands may include a higher bean content per tin, increasing the protein slightly. Similarly, lower-cost or value brands might contain more liquid or less dense servings, reducing the amount of protein per 100 grams.
There are also high-protein baked bean varieties now available on the market, which may include added plant protein or additional beans and grains. These are often aimed at those trying to increase protein intake without consuming meat. While these products can offer enhanced protein levels, it is still important to check the label for overall nutritional balance, including sugar, salt and fibre levels.
The Role of Baked Beans in a Protein-Conscious Diet
For those seeking to increase their daily protein intake, baked beans can play a supportive role rather than a central one. They are particularly useful for vegetarians, vegans and flexitarians who need more plant-based protein options. They are also relatively affordable, shelf-stable, and quick to prepare, making them suitable for a wide range of lifestyles.
A 200-gram serving of baked beans can easily be paired with toast, eggs, or a small portion of cheese to create a balanced meal with a better overall protein profile. They also pair well with brown rice, quinoa or roasted vegetables for a hearty plant-based lunch or dinner. When combined with other protein sources, baked beans contribute to the amino acid pool that supports muscle repair, immunity and general health.
Amino Acid Profile and Protein Quality
One limitation of baked beans, and plant proteins in general, is that they are not considered complete proteins. A complete protein contains all nine essential amino acids in the proportions the body needs. Most legumes, including haricot beans, are low in methionine, which means they need to be complemented with other foods to meet the body’s full amino acid requirements.
This is not a cause for concern if your overall diet includes a range of grains, vegetables and other protein sources. The body stores amino acids and combines them across meals and days to form complete proteins. Eating baked beans with wholegrain bread, for example, creates a complementary amino acid combination that enhances the protein quality of the meal.
How Cooking and Serving Impact Protein
The way baked beans are prepared and served does not alter the protein content significantly. Heating tinned baked beans in the microwave or on the hob will not destroy the protein, though excessive boiling might affect the texture. Because the beans are already cooked during processing, further cooking is primarily for taste and temperature rather than nutritional benefit.
Serving baked beans with additional ingredients such as cheese, tofu, scrambled eggs, or lean meats can significantly boost the protein of the meal. For instance, baked beans and eggs on toast can easily deliver 20 to 25 grams of protein per meal, depending on the portions used. Adding a sprinkle of grated cheese or pairing beans with baked tofu or tempeh can also improve the amino acid profile and overall satiety of the dish.
Are Baked Beans Suitable for a High-Protein Diet?
Baked beans alone are not enough to meet high protein demands, such as those seen in athletes, bodybuilders or people with specific health needs. However, they do offer a valuable base for building higher-protein meals when combined with other foods. For people aiming to reach 70 to 100 grams of protein a day, baked beans may contribute 10 to 20 grams depending on frequency and portion sizes, but should be accompanied by more protein-rich sources.
For moderate or low-protein diets, particularly those focused on plant-based eating, baked beans are a sensible and nutritious choice. Their fibre content also adds digestive benefits, helping to regulate appetite and support gut health. Including them as part of a varied weekly meal plan is practical and affordable for many UK households.
Baked Beans and Weight Management
Due to their balance of protein and fibre, baked beans can be helpful for those aiming to control their weight. Protein and fibre are both associated with satiety, helping to reduce hunger and delay the return of appetite between meals. A meal of baked beans on wholegrain toast, for example, offers a satisfying combination that can help with appetite regulation and energy balance.
It is important to note that some baked bean products are higher in sugar, especially those in richer sauces. Choosing low-sugar or reduced-salt versions is often a better option for those monitoring calorie intake or managing diabetes, heart health or blood pressure. The protein content will remain similar, but the overall nutritional profile will be more balanced.
Is It Healthy to Eat Baked Beans Every Day?
Baked beans can be part of a healthy diet when eaten in appropriate portions and balanced with other foods. Their protein and fibre content support general wellbeing, and they offer a comforting and convenient way to include plant-based foods in the diet. However, relying on baked beans as a primary protein source every day may not provide enough variety or amino acid balance, so it is wise to include other legumes, grains, dairy or plant-based alternatives.
The salt and sugar content in some brands also means that moderation is advisable, particularly for individuals with high blood pressure or those advised to limit sodium intake. Choosing reduced-salt and reduced-sugar versions where available can make frequent consumption more suitable.
Conclusion
Baked beans contain around 4.5 to 5 grams of protein per 100 grams, with a standard 400-gram tin offering approximately 18 to 20 grams of protein. While they are not the most protein-rich food available, they provide a good source of plant-based protein that is affordable, convenient and versatile. Combined with other protein sources and served as part of a balanced meal, baked beans can help support a healthy and satisfying diet for a wide range of lifestyles and dietary preferences.
Looking for a convenient way to boost your protein intake throughout the day? Our protein powder is a quick and flexible option that pairs well with breakfast, smoothies and snacks to help you meet your goals with ease.


Share:
How Much Protein in Bagel
How Much Protein in Black Pudding