Mashed butter beans are a simple side I come back to when I want something warm and comforting without the effort of peeling and boiling potatoes.
I often make this alongside roast chicken or something similar, especially when everything else is already in the oven and I need something quick to go with it.
The beans turn soft and creamy with very little effort and the garlic and rosemary give it a gentle, savoury depth as it warms through.
A squeeze of lemon at the end lifts everything just enough to keep it from feeling heavy, which is what makes it so easy to pair with richer mains.
Key ingredient notes and substitutions
Butter beans
Butter beans are the best choice here because they’re naturally soft, creamy and mash easily into a smooth texture.
Other beans like kidney or black beans are firmer and more robust in flavour, so they don’t give quite the same soft, mellow mash.
Cannellini beans are the closest alternative but butter beans really do work best here.
Olive oil or butter
Olive oil keeps the mash a little lighter and fresher, while butter makes it richer.
I usually choose depending on what I’m serving it with and sometimes use a bit of both.
Minced garlic
Cook this gently over low heat so it softens rather than browns. This keeps the flavour mellow and rounded.
Rosemary
Strong and fragrant, so a little goes a long way.
You can use fresh or dried or leave it out entirely if you prefer. Other herbs like thyme, parsley or sage also work beautifully with the beans’ creamy softness.
Cream, milk or yoghurt
This is where the texture changes slightly. Cream keeps it soft and rich, milk gives a lighter finish and yoghurt adds a gentle tang while making it a little thicker as it sits.
Lemon juice and lemon zest
This lifts the whole dish. Even a small amount makes a noticeable difference and keeps the mash from feeling flat.
Add to taste but we find half a medium lemon is just right for us.
Salt and pepper
Don’t be shy. Beans need generous seasoning to really shine.
Grated parmesan
Adds a savoury finish. Best scattered over just before serving.
How to make butter bean mash
1. Heat the olive oil or butter in a pan over low heat. Add the garlic and rosemary. Cook gently for 1–2 minutes, until fragrant (don’t let it brown).
2. Add the drained butter beans. Stir well and warm through for about 2 minutes.
3. Mash with a potato masher for a chunkier texture or use a stick blender or food processor for smooth.
4. Add the cream, milk or yoghurt a spoonful at a time until it’s as soft as you like.
5. Stir in the lemon zest and juice. Season generously with salt and pepper.
6. Serve warm with a drizzle of olive oil or a knob of butter. Finish with a scatter of Parmesan, if using.
Pro tipS
- Keep the garlic on low heat so it softens gently without browning.
- Add liquid gradually. It loosens quickly, so it’s easier to control this way.
- Blend just until smooth for the best texture.
- If using yoghurt, expect a slightly thicker consistency once it’s cooled.
TeXTURE GUIDE
Chunky: Mash lightly with a potato masher
Smooth: Blend until silky using a stick blender or food processor
Too thick? Add a splash of milk or water
Too thin? Let it cook gently to reduce
How to serve it
- Serve alongside roast chicken, where it soaks up the juices.
- Top with sautéed mushrooms for a simple vegetarian option.
- Pair with grilled sausages or lamb to balance richer flavours.
Storage and reheating
Fridge
Keep in an airtight container for up to 3 days.
Freezing
Possible, though the texture softens slightly.
Reheating
Warm gently in a pan or microwave. Add a splash of milk, water, or olive oil to loosen it if needed.
Pro tip
How to fix dry butter bean mash
Butter bean mash thickens as it sits, especially if you used yoghurt. If it’s too dry when reheating, stir in a little extra liquid until it’s creamy again.
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If you love this butter bean mash, you might also enjoy a few of our other simple but flavour-packed sides: Learn how to make the perfect couscous every time, get the ultimate crispy roast potatoes on your plate, try easy Egyptian rice with vermicelli for a fragrant twist, or treat yourself to creamy coconut basmati rice.
Butter Bean Mash
Equipment
- Potato masher or stick blender
Ingredients
- 2 cans 400g (15.5oz) butter beans, well drained
- 2 tablespoons olive oil, or butter
- 2 teaspoons minced garlic fresh, or garlic paste
- 1-2 teaspoons fresh rosemary, finely chopped or ½ teaspoon dried
- 2-4 tablespoons cream, milk or natural yoghurt enough to loosen to your liking
- juice from ½ a lemon or to taste
- zest from ½ a lemon or to taste
- salt and pepper to taste
- grated parmesan to taste
Instructions
- Heat the olive oil or butter in a pan over low heat. Add the garlic and rosemary. Cook gently for 1–2 minutes, until fragrant (don’t let it brown).2 tablespoons olive oil, or butter, 2 teaspoons minced garlic, 1-2 teaspoons fresh rosemary, finely chopped
- Add the drained butter beans. Stir well and warm through for about 2 minutes.2 cans 400g (15.5oz) butter beans, well drained
- Mash with a potato masher for a chunkier texture or use a stick blender or food processor for smooth.
- Add the cream, milk or yoghurt a spoonful at a time until it’s as soft as you like.2-4 tablespoons cream, milk or natural yoghurt
- Stir in the lemon zest and juice. Season generously with salt and pepper.juice from ½ a lemon, zest from ½ a lemon, salt and pepper
- Serve warm with a drizzle of olive oil or a knob of butter. Finish with a scatter of Parmesan, if using.grated parmesan
Nutrition
For food safety advice, including guidance on food allergies
