Lupini beans
Firm, salty little beans from a jar. Rinse, skin and mash them for a small taste.
Checked against official guidance on October 18, 2026 · How we review
Quick answer
Babies can eat lupini beans from around 6 months, once they show signs of being ready for solids. Prepare it as shown below.
How to serve lupini beans by age
6 months+
Smooth mash, a small taste
Use ready-to-eat lupini from a jar or pack only. Drain, rinse and soak them (see prep), squeeze each bean out of its tough skin, then blend the skinned beans with a little water, breast milk or formula until completely smooth. Stir a teaspoon into a mash your baby already eats, such as potato or squash, or spread it thinly on soft cooked vegetable sticks. Lupini are salty even after rinsing, so this is a taste, not a portion.
- Size
- Blended smooth on a pre-loaded spoon, or spread thinly on a soft finger food about the size of an adult finger, roughly 6–8 cm long and 2 cm wide (2½–3 × ¾ in).
- Check before serving
- Press the mash between your thumb and finger. It should be smooth, with no pieces of bean or skin left.
US and UK advice differ here. The AAP suggests mashed food or soft pieces no larger than ½ inch; the NHS suggests soft finger-sized pieces your baby can hold in their fist. Both agree the food must squash easily.
9 months+
Skinned and finely mashed
Mash skinned lupini well with a fork and stir them into mashed potato, vegetables or soft rice, or spread a thin layer of lupini dip on soft toast fingers once your baby has had wheat. Check the bread label for honey, which isn't safe before 12 months. Keep it to a small amount: they're salty.
- Size
- Mashed or blended, with no pieces bigger than about 1 cm (just under ½ inch). Skinned lupini stay firm, so mash them rather than serving whole or halved beans.
- Check before serving
- Squash a little between your thumb and finger. It should smear flat. If firm pieces are left, blend it smoother.
12 months+
Mashed or finely chopped in dishes
Stir mashed or very finely chopped skinned lupini into pasta sauce, a grain salad or soup, or blend them into a dip like hummus. They're still salty, so use a spoonful in a dish rather than a bowlful, and skip extra salt.
- Size
- Mashed into dishes, or very finely chopped, never in pieces bigger than about 1 cm (just under ½ inch).
- Check before serving
- Check that no whole beans or tough skins have slipped into your child's portion.
18 months+
Skinned and chopped in family food
Offer lupini in family dishes, skinned and chopped or mashed. Whole lupini eaten as a snack, popped out of the skin the way adults eat them, wait until at least 4 years: they're firm, round and slippery.
- Size
- Very finely chopped, smaller than about 1 cm (just under ½ inch), or mashed. Never whole beans.
- Check before serving
- Look through mixed dishes for whole beans or skins before serving.
Always have your child sit upright in a high chair or at the table, and stay with them the whole time they eat. Keep to the size and texture for their stage. Every baby develops on their own timeline.
How to prepare lupini beans
- 1
Buy ready-to-eat lupini in a jar or pack: they have already been debittered, which means soaked to remove their bitter natural toxins. Never prepare lupini at home from dried beans. Removing the toxins takes days of soaking and boiling, and poisoning has been reported, more severe in children.
- 2
Our suggestion is to drain the beans, rinse them under running water, and soak them in a bowl of fresh water for an hour or so, changing the water once, to wash off more of the salty brine. Pour away the brine and the soaking water; never give either to your child.
- 3
Pinch each bean to squeeze it out of its tough skin, and throw the skins away.
- 4
Blend, mash or chop the skinned beans finely, depending on your baby's age.
- 5
First time? Pick a day your baby is well, at home, when you can watch them for a couple of hours afterward.
How much to offer
Start with a teaspoon of mash stirred into another food. Lupini stay salty even after rinsing, and the NHS says babies under 1 should have less than 1 g of salt a day, so keep them to a small taste at this age. Your baby decides how much to eat: stop when they turn away or close their mouth.
Common mistakes
Cooking dried lupini at home
Raw and dried lupins contain bitter natural toxins. Making them safe takes days of soaking and boiling, and a 2025 review of lupin poisoning found children were more severely affected than adults. Use ready-to-eat lupini only, and never give the brine or soaking water.
Serving whole lupini
Whole beans are on the CDC's list of choking hazards, and lupini stay firm, with a tough skin. Skin them, then blend, mash or chop them very finely.
Serving them straight from the brine
Jarred lupini can be very salty: one FoodData Central record lists about 911 mg of sodium per 100 g (about 2.3 g of salt). The NHS limit is less than 1 g of salt a day for babies under 1 and no more than 2 g for children aged 1 to 3. Rinse and soak them, and keep portions small.
Offering lupini to a child with peanut allergy without asking
Some children with peanut allergy are also allergic to lupin. If your child has a peanut allergy, ask their allergist or pediatrician first.
Questions parents ask
Can lupini beans be a choking hazard for babies?
Lupini beans are a high choking risk: they're firm, round and slippery, with a tough skin, and they stay firm when they're ready to eat. Whole beans are on the CDC's list of choking hazards for young children. Remove the skins, then blend, mash or chop the beans very finely. Don't offer whole lupini as a snack until at least 4 years: the AAP says to keep high-risk foods from children until 4 or older. Stay with your child during meals.
Can babies be allergic to lupini beans?
Lupin isn't one of the top 9 US allergens, but it is one of the 14 allergens that UK food businesses must declare (Food Standards Agency). A UK study found that a small but significant number of children with peanut allergy were also allergic to lupin, while lupin allergy was much rarer in children without peanut allergy. If your child has a peanut allergy, talk to their allergist or pediatrician before offering lupini or foods made with lupin flour. Otherwise, offer a small amount on its own first and watch for signs of a reaction. Talk to your pediatrician, GP or health visitor first if your baby already has a food allergy or eczema, or if there is a family history of food allergy, eczema, asthma or hay fever. Once lupini are eaten without a reaction, they can be part of usual meals in small amounts.
Are lupini beans healthy for babies?
One branded FoodData Central record for jarred lupini in brine lists about 12 g of protein and 3.3 g of fiber per 100 g, and about 911 mg of sodium (about 2.3 g of salt), and brands vary. Because they're so salty, lupini stay a small taste here rather than a main source of protein or iron.
Can babies eat lupini beans?
Yes, from around 6 months, as a small taste. Use ready-to-eat lupini only. Our suggestion is to rinse and soak them to wash off some of the brine, then take off the skins, and blend or mash them. They stay salty, so keep amounts small, especially before 12 months.
My child is allergic to peanuts. Can they have lupini?
Ask their allergist or pediatrician first. A UK study of children with peanut allergy found that a small but significant number were also allergic to lupin. In the UK, lupin is one of the 14 allergens food labels must show, so check labels for lupin flour too.
Can I cook dried lupini beans at home for my baby?
No. Dried lupins are bitter because they contain natural toxins, and removing them takes days of soaking and boiling. Lupin poisoning has been reported after eating beans that weren't soaked enough, or drinking the soaking water, and children were more severely affected than adults. Buy ready-to-eat lupini instead.
If your baby refuses lupini beans
- Many babies need 10 or more tries before they accept a new food. Keep offering it alongside foods they already like.
- Try another form: blended into a dip, mashed into potato, or stirred into pasta sauce.
- Eat some yourself at the same meal, in a safe form for your baby. Babies copy what they see.
- Funny faces don't mean they dislike it. They're getting used to a new taste and texture.
Never force or pressure your baby to eat. Some days they'll eat more, some days less, and that's normal.
Buying and storing lupini beans
- Follow the label for unopened jars and packs. Once opened, keep lupini covered in their brine in the fridge and use them within the time the label gives.
- Rinsed, skinned lupini and lupini mash or dip keep for 3 to 4 days in a covered container in the fridge.
- Cooked dishes with lupini, such as soups and sauces, keep for 3 to 4 days in the fridge. Reheat them only once, to 165°F (74°C), until steaming hot, then let them cool before serving.
- Throw away any food left out at room temperature for more than 2 hours (1 hour if it's hotter than 90°F / 32°C).
When to talk to your doctor
Contact your pediatrician, GP or health visitor if:
- Your child has a peanut allergy. Ask their allergist or pediatrician before offering lupini or foods made with lupin flour.
- Your baby already has a food allergy or eczema, or there is a family history of food allergy, eczema, asthma or hay fever. Ask before introducing lupini and other legumes.
- Your child has eaten lupini prepared at home from dried beans, or drunk lupin soaking water. Call your emergency number right away, even if they seem well: the NHS says to call if a child may have swallowed something harmful. A 2025 review of case reports found symptoms, such as wide pupils, a dry mouth, blurred vision, dizziness, a fast heartbeat or confusion, often started within an hour but sometimes took up to 14 hours, and were more severe in children.
- You notice mild signs of an allergic reaction after eating, such as a few hives or a little vomiting. See signs of a reaction.
- You're worried about how much your baby eats, their growth, or they refuse most solid food for weeks.
Call 911999your local emergency number (such as 112 in Europe or 000 in Australia) now if your baby has trouble breathing, wheezing, can't cough or cry, has lips, mouth, tongue or throat that suddenly swell, or becomes pale, bluish, floppy or unresponsive. Also call if hives come with repeated vomiting.
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Helpful guides
Sources
- CDC: Choking hazards
- AAP: Choking prevention for babies and children
- Food Standards Agency: Allergen guidance for food businesses
- NHS: Food allergies in babies and young children
- Shaw et al., Allergy (2008): Lupin allergy in peanut-allergic children and teenagers
- Bloothooft et al., Frontiers in Toxicology (2025): Lupin poisoning: a review
- NHS: Poisoning
- NHS: Salt in your diet
- USDA FoodData Central: Lupini beans (jarred, in brine)
- USDA FSIS: Leftovers and food safety
- NHS Best Start in Life: Storing and reheating food
- NHS: Help your baby enjoy new foods
- NHS: Foods to avoid giving babies and young children
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