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Is your little one falling off the growth chart? Or perhaps you have a “picky eater” who refuses to eat anything green? As a parent, worrying about your child’s weight and nutrition is natural. The good news is that Baby Weight Gain Smoothies are one of the easiest, most effective ways to pack essential nutrients and healthy calories into a toddler’s diet.

Unlike forcing a toddler to finish a plate of food, a smoothie is often seen as a “treat.” By using the right combination of healthy fats and proteins, you can turn a simple drink into a nutrient-dense meal. Whether you are looking for a quick breakfast or a filling snack to pair with our popular Air Fryer Baby Snacks, these recipes are designed to help your baby gain healthy weight delicious way.
Key Nutrition Information
- Goal: Healthy Weight Gain
- Age Suitability: 12 Months+ (Can be adapted for 6 Months+)
- Main Nutrients: Healthy Fats, Protein, Fiber
- Prep Time: 5 Minutes
Why Choose Baby Weight Gain Smoothies?
- Nutrient Density: Toddlers have small stomachs. Smoothies allow you to concentrate calories (energy) in a small volume, so they get full on the good stuff, not just water.
- Hides Veggies: You can easily sneak in spinach or zucchini without them noticing the taste, similar to how we hide nutrition in our High Iron BLW Recipes.
- Hydration: Keeps active toddlers hydrated while providing fuel.
- Teething Relief: Cold smoothies are soothing for sore gums.
The “Magic” Ingredients for Weight Gain
To make effective Baby Weight Gain Smoothies, you need to focus on high-calorie, nutrient-dense ingredients. Do not use low-fat products for babies!
- Avocado: The king of healthy fats. It adds creaminess and brain-boosting calories.
- Nut Butters: Peanut butter, almond butter, or cashew butter provide essential protein. Note: Ensure your baby has been introduced to nuts safely before adding large amounts.
- Full-Fat Yogurt: Greek yogurt is best for extra protein. Avoid “light” or “fat-free” versions.
- Bananas: Frozen bananas act as natural ice cream, adding sweetness and potassium.
- Chia or Flax Seeds: A teaspoon adds Omega-3 fatty acids and fiber.
- Cottage Cheese: If you have leftovers from making Cottage Cheese Pancakes, blend it in! It’s incredibly high in protein and low in salt.
Equipment Needed
- High-Speed Blender: To ensure the texture is completely smooth and safe (no chunks).
- Spill-Proof Cup: A straw cup is excellent for developing oral motor skills.
Top 3 Baby Weight Gain Smoothies Recipes
Here are three distinct flavor profiles to keep your little one interested.
1. The Green Cream Machine (Avocado & Banana)
Best for: Brain development and healthy fats.
- 1/2 Ripe Avocado
- 1 Frozen Banana
- 1/2 cup Full-Fat Milk (or breastmilk/formula)
- 1 handful Fresh Spinach (mild flavor)
- 1 tsp Chia Seeds
2. Peanut Butter Power (Protein Boost)
Best for: Active toddlers who need energy.
- 1 tbsp Natural Peanut Butter (unsweetened)
- 1/2 cup Full-Fat Greek Yogurt
- 1 Banana
- 1/4 cup Rolled Oats (adds bulk and fiber)
- Splash of Milk to thin
3. Berry Breakfast Blast (Antioxidants)
Best for: A sweet morning treat.
- 1/2 cup Frozen Mixed Berries (Blueberries/Strawberries)
- 1/2 Avocado (you won’t taste it, promised!)
- 1/2 cup Full-Fat Coconut Milk (for extra calories)
- 1 tbsp Hemp Seeds

Instructions for All:
- Place all ingredients into your blender.
- Blend on high speed for 60 seconds until completely smooth.
- Test the texture; if it is too thick for a straw, add more liquid.
Tips for Serving Smoothies to Babies
- Start Small: A few sips are a win! Don’t expect them to finish a huge glass immediately.
- Use a Straw: Drinking from a straw helps strengthen the mouth muscles needed for speech and eating.
- Make Popsicles: Pour leftovers into popsicle molds. It’s a great hack for teething babies or hot summer days.
- Consistency Matters: If your baby prefers “chewing,” you can make the smoothie thicker and serve it as a smoothie bowl with a spoon.

Safety & Allergens
- Honey Warning: Do not add honey to smoothies for babies under 1 year old due to the risk of botulism. Use maple syrup or just the fruit for sweetness.
- Cow’s Milk: Whole cow’s milk is generally recommended after 12 months. For babies under 12 months, use breastmilk, formula, or plain water as the liquid base.
FAQ: Questions About Baby Weight Gain
Can I give smoothies to a 6-month-old?
Yes, but modify the ingredients. Use breastmilk or formula as the liquid base and avoid honey or cow’s milk. Ensure the texture is thin enough to swallow easily.
How often should my toddler drink these?
One smoothie a day is a great supplement. It shouldn’t replace solid meals completely but works perfectly as a nutritious snack.
My baby has a dairy allergy, what can I use?
Swap the cow’s milk for Full-Fat Canned Coconut Milk or fortified Oat Milk. Use dairy-free yogurt or simply add more avocado for creaminess.
Can I prep these in advance?
Smoothies are best enjoyed fresh, but you can freeze the fruit/veggie packs in ziplock bags. When you are ready, just dump the bag in the blender, add milk, and blend!
Conclusion
Helping your child gain weight doesn’t have to be a struggle filled with tears at the dinner table. These Baby Weight Gain Smoothies are a tool in your parenting toolkit to ensure your little one gets the nutrition they need to thrive. They are quick, delicious, and dietitian-approved.

Did your baby love these? Leave a comment below and tell us which flavor was the winner! Don’t forget to check out our guide on High Iron BLW Recipes for more nutrient-dense meal ideas.
Join my vibrant Facebook Page, Alanarecipes, and share your best brunch creations!
3 Delicious Baby Weight Gain Smoothies (Dietitian Approved)
These Baby Weight Gain Smoothies are designed to help toddlers and babies gain healthy weight using nutrient-dense ingredients like avocado, nut butter, and full-fat yogurt.
- Prep Time: 5
- Total Time: 5
- Yield: 1 smoothie 1x
- Category: Baby Food
- Method: Blending
- Cuisine: American
- Diet: Vegetarian
Ingredients
Green Cream Machine:
1/2 Ripe Avocado
1 Frozen Banana
1/2 cup Full-Fat Milk
1 handful Spinach
Peanut Butter Power:
1 tbsp Peanut Butter
1/2 cup Greek Yogurt
1 Banana
1/4 cup Oats
Berry Blast:
1/2 cup Mixed Berries
1/2 Avocado
1/2 cup Coconut Milk
Instructions
1. Choose your flavor combination from the ingredients list.
2. Add all ingredients into a high-speed blender.
3. Blend on high for 45-60 seconds until completely smooth and creamy.
4. Pour into a spill-proof straw cup or serve in a bowl with a spoon.
5. Store leftovers in popsicle molds for later!
Notes
Safety: Do not use honey for babies under 1 year.
Allergies: Use coconut milk or oat milk for dairy-free options.
Texture: Add more liquid if serving in a straw cup.
Nutrition
- Serving Size: 1 cup
- Calories: 350
- Sugar: 12
- Sodium: 40
- Fat: 22
- Saturated Fat: 8
- Unsaturated Fat: 12
- Trans Fat: 0
- Carbohydrates: 35
- Fiber: 6
- Protein: 10
- Cholesterol: 15