Starting Solids: A Month-by-Month Guide
When to start solids, what to serve first, and the allergen research that changed everything.
5 min read
The internet will tell you there's one right way to introduce solids. There isn't. But there is good research, and the biggest finding in the last decade changed everything: early introduction of common allergens like peanut can reduce allergy risk by up to 81% (Du Toit et al., 2015). Here's a month-by-month guide to starting solids, what to serve when, and how to stop overthinking it.
Key takeaways
- Most babies are ready for solids around 6 months, not 4. Look for readiness signs (sitting with support, interest in food, loss of tongue-thrust reflex), not the calendar
- Iron-rich foods should be among the first you introduce. Pureed meat, iron-fortified cereal, and beans are better first foods than rice cereal alone
- Early allergen introduction reduces allergy risk. The LEAP trial showed 81% reduction in peanut allergy when peanut was introduced between 4-11 months
- Gagging is normal and protective. Choking is silent. Learn the difference before you start
When your baby is actually ready
The AAP recommends exclusive breastfeeding (or formula) for about 6 months. After that, solids are a supplement, not a replacement. Milk or formula is still the main source of nutrition through the first year.
Your baby is ready when they can: - Sit up with minimal support and hold their head steady - Show interest in food (watching you eat, reaching for your plate) - Open their mouth when food is offered - Move food from a spoon to the back of their mouth instead of pushing it out with their tongue
Some babies hit these milestones at 5 months. Some at 7. The readiness signs matter more than the date on the calendar. If your baby is pushing food out with their tongue, they're not ready yet. Wait a week and try again.
Talk to your pediatrician before starting, especially if your baby was premature.
The allergen finding that changed everything
This is the part most parents don't know. For decades, the advice was to delay common allergens. That advice was wrong.
The LEAP trial found that introducing peanut between 4-11 months reduced peanut allergy risk by 81% in high-risk infants (Du Toit et al., 2015). That's not a small effect. That's a reversal of decades of allergy guidance.
Real-world follow-up data from 2025 shows the guidelines are working: peanut allergy rates dropped 27% in populations following early introduction recommendations.
What this means for you: - Introduce peanut, egg, and other common allergens early (around 6 months, or when your baby starts solids) - Use age-appropriate forms: thin peanut butter mixed into puree, well-cooked scrambled egg - Regularity matters. The LEAP study had infants eating peanut at least 3 times per week - Talk to your pediatrician first if your baby has severe eczema or a known egg allergy
A rough month-by-month guide
Every baby moves at their own pace. This is a framework, not a recipe.
Month 6: Start with single-ingredient purees. Iron-rich foods first: pureed meat, iron-fortified infant cereal, mashed beans. Then add pureed vegetables and fruits. One new food every 2-3 days so you can spot reactions.
Months 7-8: Thicker textures. Mashed (not pureed) foods. Soft-cooked vegetables, mashed avocado, yogurt. Introduce common allergens if you haven't already.
Months 9-10: Soft finger foods. Small pieces of banana, soft-cooked pasta, shredded cheese, well-cooked diced vegetables. This is when self-feeding starts. It's messy. That's fine.
Months 11-12: Modified table food. Your baby can eat most of what you're eating, cut small and soft. Three meals plus 1-2 snacks. Milk is still important but solids are becoming a bigger part of the diet.
By 12 months, your baby should be eating a variety of foods from all food groups. The goal isn't perfection. It's exposure.
Gagging vs choking: know the difference before day one
This is the section to read twice.
Gagging is loud, common, and protective. Your baby coughs, sputters, maybe makes a face. Their eyes water. This is the gag reflex doing its job, pushing food forward that went too far back. It looks scary. It's normal. Don't panic and don't pull food out of their mouth (you can push it further in).
Choking is silent. No coughing, no sound, no air moving. The skin may turn blue. This is an emergency.
Before you offer your baby's first bite of solid food: - Take an infant CPR class (many hospitals offer them free) - Know how to do back blows and chest thrusts on an infant - Always supervise meals. Always.
Foods to avoid until at least age 1: honey (botulism risk). Foods to avoid until age 4: whole grapes, whole nuts, hot dogs cut in rounds, raw carrots, popcorn, hard candy.
What you can stop worrying about
New parents overthink solids. Here's what the research says you can relax about:
The order of foods doesn't really matter. There's no evidence that starting with vegetables before fruit prevents a sweet tooth. Serve what's available and nutritious.
Baby-led weaning vs spoon feeding? Both are fine. Research shows no significant difference in choking risk between the two approaches when appropriate foods are offered. Do what works for your family.
Your baby won't eat much at first. That's normal. The first few weeks of solids are about exposure and practice, not calories. Milk is still doing the heavy lifting.
Mess is part of the process. Babies learn about food by touching, squishing, and throwing it. A plastic mat under the high chair saves your sanity.
It sometimes takes 10-15 tries before a baby accepts a new food (AAP). Don't give up after the first rejection. Offer it again next week.
For dads
Here's your move:
Be the one who feeds the baby solids sometimes. Not every time. But enough that you know what they like, what textures they can handle, and what their gagging-vs-choking face looks like. If your partner is doing all the solid food introductions, you're going to be nervous every time you're on feeding duty alone. Reps build confidence. Also, take the infant CPR class together. It takes an hour and it's the most useful hour you'll spend before your baby starts eating real food.
Real talk:
Watching your baby gag on food for the first time is terrifying. Your entire body will scream to grab it out of their mouth. Don't. Sit on your hands if you have to. The gag reflex is loud, dramatic, and doing exactly what it's supposed to do. The more meals you're present for in the early days, the faster you'll learn the difference between "that was alarming but fine" and "we have a problem." It gets less scary. Not immediately, but it does.
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Common questions
Can I start solids at 4 months?+
The AAP recommends around 6 months. Some pediatricians OK 4-6 months if readiness signs are present, especially for early allergen introduction in high-risk babies. Talk to your provider.
What's the best first food?+
Iron-rich foods: pureed meat, iron-fortified infant cereal, or mashed beans. The old advice of starting with rice cereal alone is outdated. Variety matters more than order.
How do I introduce peanut safely?+
Mix a thin layer of smooth peanut butter into a puree your baby already likes, or dissolve peanut powder in breast milk. Never give whole peanuts or chunky peanut butter to a baby.
My baby keeps pushing food out. Does that mean they're not ready?+
Probably. The tongue-thrust reflex that pushes food out usually fades between 4-6 months. If it's still strong, wait a week and try again. There's no rush.
Do I need to make all the baby food myself?+
No. Store-bought baby food is fine. Homemade is fine. A mix is fine. What matters is variety, iron, and introducing allergens early. Don't let perfect be the enemy of fed.
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Sources
- AAP, Starting Solid Foods (2024) — https://www.healthychildren.org/English/ages-stages/baby/feeding-nutrition/Pages/Starting-Solid-Foods.aspx
- Du Toit G et al., Randomized trial of peanut consumption in infants at risk for peanut allergy (LEAP), NEJM (2015) — https://pubmed.ncbi.nlm.nih.gov/25705822/
- AAP, Food Introduction in Infancy, Pediatrics in Review (2025) — https://publications.aap.org/pediatricsinreview/article/46/4/198/201389/Food-Introduction-in-Infancy
- AAP, Infant Food and Feeding — https://www.aap.org/en/patient-care/healthy-active-living-for-families/infant-food-and-feeding/
A quick note: This content is for informational purposes only and is not a substitute for professional medical advice. Always talk to your healthcare provider about any questions or concerns. Content based on guidance from the American Academy of Pediatrics (AAP), the World Health Organization (WHO), the Centers for Disease Control and Prevention (CDC), Mayo Clinic, and peer-reviewed medical literature. Learn how we create our content.