What's the Deal with Red Bean Soup?
Red bean soup is a comforting, lightly sweetened drink that people have enjoyed for ages. Made from simmered adzuki beans, it's got a mild flavor and a reputation for being good for you. Lots of folks like it as a warm, satisfying part of their daily routine, and it's easy to see why.
What You'll Need
This recipe keeps things simple with just three basic ingredients.
- Adzuki beans (red beans): 50 grams (about 1/4 cup)
- Brown sugar or coconut sugar: 10 grams (about 2 teaspoons)
- Water: 700 milliliters (about 3 cups)
Adzuki beans are those small, reddish-brown beans with a naturally sweet, nutty flavor. You can find them at most grocery stores, natural food markets, or online. Brown sugar or coconut sugar adds a gentle sweetness, but feel free to adjust it to your taste.
How to Make It
Follow these steps to get a warm, comforting bowl of red bean soup.
Step 1: Soak the Beans
Rinse the adzuki beans under cold water, then put them in a bowl and cover with fresh water. Let them soak for at least 4 hours, or overnight if you can. Soaking softens them up and cuts down the cooking time.
Step 2: Cook the Beans
Drain the soaked beans and toss them in a medium pot. Add 700 milliliters of fresh water. Bring it to a boil over high heat, then lower the heat to medium-low. Let the beans simmer gently for about an hour, until they're tender and starting to split open. Stir now and then, and add more water if they start looking dry.
Step 3: Sweeten and Serve
When the beans are fully cooked, take the pot off the heat. Stir in the brown sugar or coconut sugar until it's fully dissolved. Serve it warm. You can leave the beans whole or blend the soup with an immersion blender for a smoother, creamier texture.

Tips for Getting It Right
- Adjust the sweetness: Start with the recommended amount of sugar and add more if you like it sweeter. Honey or maple syrup work too.
- Control the consistency: For a thinner soup, add more water while cooking. For a thicker one, let it simmer longer to reduce.
- Make it ahead: Red bean soup keeps in the fridge for up to three days. Just reheat it gently on the stovetop or in the microwave.
- Use a slow cooker: For a hands-off method, cook the soaked beans on low for 6 to 8 hours. Add the sugar at the end.
Common Questions
Can I use canned adzuki beans?
Sure, canned beans are a convenient option. Just rinse them well to get rid of extra sodium, then simmer them in water for about 10 to 15 minutes before sweetening. They'll be softer than dried beans, but the soup will still be good.
Is red bean soup okay during pregnancy?
A lot of people include red bean soup in their diet during pregnancy because it's mild and hydrating. But as with any dietary change, it's a good idea to check with your healthcare provider for personalized advice.
How much can I drink per day?
This is a beverage, not a meal replacement. One to two cups a day is reasonable for most people. Since beans are high in fiber, drinking too much might cause some mild digestive discomfort.
Can I freeze it?
Yes, it freezes well. Let it cool completely, then put it in airtight containers or freezer bags. It'll keep for up to three months. Thaw it in the fridge overnight and reheat gently before serving.
Making It Part of Your Routine
Red bean soup is a simple, naturally sweet drink that fits into all kinds of daily routines. Whether you have it warm on a cool evening or as a light afternoon pick-me-up, it's a comforting way to include whole beans in your diet. With just a few ingredients and minimal prep, this traditional drink is easy for anyone to try.