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From the YummyYucky team, founded by Nancy Nash

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Can Babies Eat Lentil Soup? Yes, From 6 Months

Lentil soup is one of the genuinely excellent baby foods: soft, cheap, and carrying more iron than almost anything else on a vegetarian plate. From about 6 months, made without salt and thickened so it stays on a spoon, it is hard to beat. The things to watch are added salt, chili heat, and serving temperature.

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When to introduce
From about 6 months, unsalted and thickened
Common allergen?
Plain lentil soup contains no common allergens, though versions made with orzo contain wheat, barley versions contain gluten, and creamy ones contain milk
Texture
Soft and spoonable; blend smooth at 6 months and leave it thicker and more textured later
Key nutrients
Strong plant iron, protein, fiber and folate, with USDA listing cooked lentils at 3.33 mg iron and 9 g protein per 100 g

Yes, babies can eat lentil soup, and honestly it is one of the better things you can put in front of a 6 month old. Lentils cook down to exactly the texture a new eater wants, they cost almost nothing, and they carry real iron at the point in the first year when iron becomes the nutrient to prioritize. USDA data puts cooked lentils at 3.33 mg of iron and about 9 g of protein per 100 g8, alongside fiber and a large amount of folate. Two adjustments make a family pot of lentil soup into a baby's meal: hold the salt, and make it thicker than you would want it yourself, because thin soup slides off a spoon before it reaches anyone's mouth.

Prep School: how to prepare lentil soup for baby-led weaning (BLW) and purées

🍴 Baby-led weaning

Around 6 monthsCook the lentils until they collapse when pressed, then blend the soup smooth and keep it thick enough to cling to a spoon rather than run off it. Red lentils break down fastest and need the least work. No salt, no stock cubes, no chili. Preload a spoon and hand it to your baby, or hold it out and let them grab the handle and bring it to their own mouth. Serve warm, never hot: microwaves heat unevenly, so stir it well and let it stand two minutes before it reaches your baby9.
9 to 12 monthsStop blending. Mash the lentils lightly so there is some texture to work with, and leave the soft cooked vegetables in small pieces that squash easily between your fingers, for your baby to pick out. Offer strips of soft bread or toast for dipping, which is usually more successful than the spoon at this age. Gentle spices are welcome now: cumin, coriander and a little garlic make it taste like a real meal. Still no salt or chili, and sit your baby upright and stay with them.
12 months and upA small bowl of the family lentil soup is fine now, as long as the salt stayed low and the chili stayed out. Let your toddler manage their own spoon, with bread strips to dip if they still like them. Stir it well and let it cool to warm first. This is a good age to branch out into dal, mujadara and other lentil dishes, since the flavor is already familiar and the texture no longer needs managing.

🥄 Purées

Around 6 monthsCook the lentils until they collapse when pressed, then blend the soup smooth and keep it thick enough to cling to a spoon rather than run off it. Red lentils break down fastest and need the least work. No salt, no stock cubes, no chili. Load a spoon and offer it to your baby. Serve warm, never hot: microwaves heat unevenly, so stir it well and let it stand two minutes before it reaches your baby9.
9 to 12 monthsStop blending. Mash the lentils lightly so there is some texture on the spoon, and stir in the soft cooked vegetables in small pieces that squash easily between your fingers. Gentle spices are welcome now: cumin, coriander and a little garlic make it taste like a real meal. Strips of soft bread or toast to dip alongside the spoon give your baby something to hold. Still no salt or chili, and sit your baby upright and stay with them.
12 months and upA small bowl of the family lentil soup is fine now, as long as the salt stayed low and the chili stayed out, and the texture no longer needs managing. Let your toddler manage their own spoon. Stir it well and let it cool to warm first. This is a good age to branch out into dal, mujadara and other lentil dishes, since the flavor is already familiar.

🍪 Make the unsalted version for them →

Is lentil soup safe? Choking & prep

Lentil soup is one of the lower-risk things on a baby's menu, which is a nice change. Three practical points. First, salt. Most lentil soup recipes lean on stock, and the NHS specifically advises against stock cubes and gravy for babies because they are often high in salt4, and salty food is not good for a baby's kidneys5. The CDC's line is the same: avoid feeding foods high in salt to young children2. Cook your baby's portion in water or unsalted broth and season the adult bowls at the table. A baby under 1 should have less than 1 g of salt a day6, and canned or restaurant lentil soup will use most of that in one serving. Second, texture. Lentils are small and soft once properly cooked, so they are not the classic choking shape, but undercooked lentils stay firm and any chunky vegetables in the pot need to be cooked until they squash between your finger and thumb. Sit your baby upright and stay with them through the meal, which is what the CDC asks for at every meal, not just this one3. Third, temperature. Thick soup holds heat and hides it, and microwaves heat unevenly, so stir it thoroughly and let it stand for a couple of minutes before serving9. On gas and fussiness: lentils are high in fiber and some babies are gassier for a day or two when beans and lentils first appear. That is normal adjustment rather than a problem, and starting with a small amount and building up usually settles it.

Trying lentil soup today? Log the first taste and whether it was a hit, a hard maybe, or launched across the room, dated and ready for the pediatrician.

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Nutrition

This is where lentil soup earns its reputation. USDA data puts cooked lentils at 3.33 mg of iron, 9.02 g of protein, 7.9 g of fiber and 181 micrograms of folate per 100 g8, with useful zinc and potassium alongside. The AAP asks you to make sure a new eater's meals include foods that provide iron and zinc7, and the CDC lists beans and lentils among the iron-rich foods to offer once solids start1. The iron in lentils is non-heme, the plant form, which the body absorbs less readily than the iron in meat, and the CDC's own advice is to pair non-heme iron with vitamin C to help absorption1. That is an easy win with soup: a tomato base, a squeeze of lemon at the end, or a side of soft broccoli or sweet potato all do the job. Lentil soup is also a cheap way to hit a lot of nutrition at once, which matters more to most households than any single nutrient on the list.

Goes well with

Toast strips · Rice · Sweet potato · Broccoli · Carrot · Tomato · Yogurt

Storage & freezing

Cool lentil soup quickly and refrigerate it covered. It keeps 1 to 2 days in the fridge, or 1 to 2 months in the freezer.10 It thickens noticeably in the fridge, so loosen it with a splash of water or unsalted broth when you reheat rather than adding salt to compensate. Lentil soup freezes very well, which is the main reason to make a big pot: freeze it in single-serving portions or in an ice cube tray for baby-sized amounts. Reheat only what you need, bring it to piping hot all the way through, then stir it and let it cool to warm before serving. Throw out anything left in your baby's bowl rather than returning it to the batch.

More proteins to explore

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LentilsAround 6 months
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Lima beansAround 6 months
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LiverFrom 6 months, cooked fully and pureed or mashed smooth
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LobsterAround 6 months, fully cooked and minced or blended; small soft pieces from about 9 months
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Lotus seed6 months+ (cooked soft, mashed)
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Lupini beansAround 12 months

Related reading

Common questions

Can babies eat lentil soup?

Yes, from about 6 months. Cook the lentils until they collapse, blend or mash to suit your baby's stage, and make it without added salt or stock cubes4. It is one of the best iron and protein foods you can offer a new eater.

At what age can babies have lentil soup?

Around 6 months, as soon as solids have started. Blend it smooth and thick at first, move to a lightly mashed texture around 9 months, and by 12 months your baby can share a small bowl of the family version if the salt stayed low.

Is lentil soup a good source of iron for babies?

Yes. USDA data puts cooked lentils at 3.33 mg of iron per 100 g8, and the CDC lists beans and lentils among the iron-rich foods to offer from 6 months1. It is non-heme iron, so serve it with a vitamin C food like tomato, broccoli or a squeeze of lemon to help absorption.

Does lentil soup give babies gas?

It can for the first few days. Lentils are high in fiber and some babies are noticeably gassier when beans and lentils first appear. It usually settles as they adjust, and starting with a small amount and building up makes it easier.

Can babies have canned or restaurant lentil soup?

Occasionally, and it is worth reading the label first. Both are usually built on salted stock, and a baby under 1 should have less than 1 g of salt a day6. If you use canned, choose a low sodium version, thin it, and keep the serving small.

Which lentils are best for baby soup?

Red or yellow lentils, because they break down into a soft puree with no extra effort. Green, brown, puy and black lentils stay firmer, so they need longer cooking and a good mash before they suit a younger baby.

Sources

  1. CDC, Iron (beans and lentils as non-heme iron sources; pair with vitamin C)
  2. CDC, Foods and Drinks to Avoid or Limit (avoid foods high in salt)
  3. CDC, Choking Hazards (sit up while eating and watch at all times)
  4. NHS, Foods to avoid giving babies and young children (salt, stock cubes, gravy)
  5. NHS, Your baby's first solid foods (salty foods are not good for babies' kidneys)
  6. NHS, Salt in your diet (babies under 1: less than 1g of salt a day)
  7. AAP HealthyChildren, Starting Solid Foods (include foods that provide iron and zinc)
  8. USDA FoodData Central, SR Legacy: Lentils, mature seeds, cooked, boiled, without salt (172421), 3.33 mg iron, 9.02 g protein, 7.9 g fiber, 181 mcg folate per 100 g
  9. AAP HealthyChildren, Microwave Safety Tips to Prevent Burns (stir well or let it stand two minutes so heat distributes evenly)
  10. FoodSafety.gov: Children Under Five, Safe Storage of Puréed and Solid Baby Food (homemade baby foods: 1 to 2 days refrigerated, 1 to 2 months frozen)

Further reading

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Last updated September 2026. Next review December 2026. How we write these: built from current published guidance from the AAP, CDC, FDA/EPA, NIAID, WHO, and other pediatric and public-health authorities, with sources cited on the page. See our editorial and medical policy for how we research, source, and update these, and how we double-check the food advice.

This is general information, not medical advice, and is not individualized for your baby. Always talk to your pediatrician about your baby's diet, introducing allergens, and any reaction. In an emergency, contact emergency services.

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