Looking for an easy, family‑friendly tomato sauce that sneaks in extra vegetables without anyone noticing? This Hidden Vegetable Tomato Sauce is the kind of recipe every busy household needs. It's delicious, smooth and packed with blended veggies – perfect for picky eaters and quick weeknight dinners.
I started making this hidden vegetable tomato sauce during the peak picky eater phase, when vegetables were apparently "suspicious," "too green," or "looking at me funny." So I did what any parent would do: I blended the entire veg drawer into a smooth, innocent‑looking tomato sauce.
Over the years, it's become one of our most versatile family favourites. One batch becomes healthy spaghetti bolognaise, another turns into homemade pizza sauce, and whatever's left gets frozen for those nights when I need an easy weeknight dinner for the family and my brain has already clocked out. It's basically my secret weapon in the ongoing saga of "food for picky eaters" - it ticks the "eat well plate" boxes and honestly, it works every time.
If you've ever wondered how to hide veggies in pasta sauce, this is the one I keep coming back to. Tried, tested, loved, and responsible for more clean plates than any other recipe in our kitchen.
If you want to be fancy and make it an afternoon activity with the kids why not try this sauce with my Homemade pasta recipe.
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Ingredients and substitutions
See recipe card for quantities.
- Red pepper - Adds sweetness and depth. Roasted red peppers from a jar work in a pinch.
- Carrots - Naturally sweet and perfect for bulking this sauce and adding nutrition.
- Celery - Classic base flavor. If you're out, just bump up the onion and leek a bit.
- Courgette (zucchini) - Blends in like a veggie ninja.
- Onions & garlic - The flavor backbone. Don't skip unless you're trying to get uninvited from dinner.
- Leek - Adds a gentle, sweet oniony vibe. If you don't have one, just use more onion.
- Cherry plum tomatoes - Bursty and bright. Regular cherry tomatoes or regular tomatoes work too.
- Tinned chopped tomatoes - The saucy base. Crushed or whole are fine substitutes.
- Dried oregano - Earthy and herby. Italian seasoning or dried thyme can fill in.
- Fresh basil - Brings that fresh, fragrant finish. No fresh? A pinch of dried basil will do in a pinch.
How do I make hidden vegetable tomato sauce?
Before we get into the steps, making this sauce is a great way to get your kids involved in the kitchen.They can help wash the veggies or stir the pot while you handle the rest, making the whole process quick, easy, and a nice moment together.
Step 1: Chop the vegetables – Peel the carrots and the garlic (or get your kids to do it!), remove seeds from the pepper, wash all the vegetables and roughly chop. Set aside the onions and garlic from the other veg. Don’t worry too much about how you chop the veg, it is going to be blended
Step 2: Warm the pan – Add a little oil to a large pot and heat it over medium. Toss in the onions and garlic and cook until they're soft and smelling good
Step 3: Add the veggies – Stir in the carrots, pepper, courgette, Leek, cherry tomatoes, celery and dried oregano. Sautee for 5-10 minutes until they start to soften.
Step 4: Tomatoes go in – Pour in the chopped tomatoes and water. Mix well so everything gets friendly in the pot
Step 5: Simmer – Reduce the heat, cover, and let it bubble gently for 20 minutes, until all the vegetables are nice and soft.
Step 6: Blend it smooth – Turn the heat off and add the fresh basil to the pot. Use a blender or stick blender to blend the sauce until completely smooth. This is where the "hidden" part happens - no one will ever know what's in there!
Step 7: Taste and adjust – Add a little salt, pepper, or water if needed. If it tastes good, take a quiet moment to feel proud.
Step 8: Serve or save – Use it right away with pasta, pizza, bolognaise etc…. or cool it and freeze for an easy future meal.
Serving suggestions
- Toss with your favourite pasta for a healthy spaghetti bolognaise that still feels like pure comfort.
- Stir this sauce into my homemade pasta recipe if you fancy going the extra mile!
- Use as a smooth, veggie‑boosted base for homemade pizza or flatbreads - great for easy weeknight dinners for family.
- Spoon over meatballs, chicken, or roasted veggies for a quick, balanced meal that fits neatly into the Eat Well Plate approach.
- Layer into lasagna, baked pasta dishes, or stuffed shells for extra richness and hidden nutrition.
- Stir into soups or stews to add depth, flavour, and a quiet serving of vegetables.
- Get the kids involved: use it as a dip for veggie sticks, spread it on mini pizzas, or pair it with fun pasta shapes to make dinner feel playful.
- Freeze in family‑sized or kid‑sized portions so you've always got a wholesome option ready for busy nights.
Variations
Storage and freezing
- Store in an airtight container in the fridge for 3-4 days.
- Freeze in portions for easy weeknight meals – freeze it in family-sized tubs or smaller kid portions. I like to freeze a few in silicone muffin cups so I can pop out single servings for quick lunches or picky‑eater emergencies!
- Defrost overnight in the fridge or warm gently on the hob straight from frozen. The flavour stays rich, smooth, and veggie-packed – no one will ever guess it came straight from the freezer
- If the sauce thickens after chilling or freezing, stir in a splash of water when reheating.
- Blend in batches if your blender is small. Trust me, cleaning tomato sauce off the ceiling is not the kind of family memory you're trying to make.
- Add a splash of pasta water when serving. It loosens the sauce just enough to cling beautifully to the noodles - a tiny restaurant trick that makes you feel like you know what you're doing.
- Taste before seasoning. The veggies add natural sweetness, so you might need less sugar or salt than you think. Let the sauce tell you what it needs.
- Let it simmer longer if you can. Even an extra 10-15 minutes makes the flavours rounder and richer. It's the culinary equivalent of taking a deep breath.
FAQ
Can my kids taste the hidden vegetables?
No – once everything is blended, the sauce is smooth, sweet, and completely undercover. Kids are none the wiser, and you get to enjoy a tiny internal victory dance.
What vegetables can you hide in tomato sauce?
This recipe is flexible. Courgette, spinach, mushrooms, butternut squash, kale – if it softens and blends, it belongs in the pot. However, try to avoid anything with a strong, distinctive flavour – like broccoli or cabbage. This can take over the sauce. If you're feeling brave, go for it, but don't blame me if your kids stage a revolt!!
Can I make this without a blender?
You can, but it won't be as smooth. A stick blender works great if you don't have a countertop one. Worst case, mash it with a potato masher and call it "rustic."
Is this good for picky eaters?
This sauce was practically invented for picky eaters. Smooth texture, sweet flavour, and zero visible veg. It's stealth parenting at its finest!
Can I use this for healthy spaghetti bolognaise?
Definitely. It makes a healthier, veggie‑packed base for spaghetti bolognaise and fits neatly into the Eat Well Plate approach
Does it work for meal prep?
Oh yes. Freeze it in tubs, jars, or silicone muffin cups for grab‑and‑go portions.
Did you enjoy this recipe? have a question? It would mean so much to me if you please leave a comment and a rating below!
Related
Pairing
These are my favorite dishes to serve with [this recipe]:
Hidden vegetable tomato sauce
Equipment
- 1 Large pan
- 1 Blender or stick blender
Ingredients
- 600 grams Plum cherry tomatoes
- 1 Red bell pepper
- 3 Medium Carrots
- 5 Stalks Celery
- 1 Courgette
- 1 Leek
- 1 Red onion
- 1 White Onion
- 1 Bulb Garlic
- 1 tablespoon Dried oregano
- 15 Grams Fresh basil
- 1 Tin Chopped plum tomatoes
- 600 ml Water
- Salt and pepper
Instructions
- Chop the vegetables – Peel the carrots and the garlic, remove seeds from the pepper, wash all the vegetables and roughly chop. Set aside the onions and garlic from the other veg. Don't worry too much about how you chop the veg, it is going to be blended
- Warm the pan – Add a little oil to a large pot and heat it over medium. Toss in the onions and garlic and cook until they're soft and smelling good
- Add the veggies – Stir in the carrots, pepper, courgette, Leek, cherry tomatoes, celery and dried oregano. Sautee for 5-10 minutes until they start to soften.
- Tomatoes go in – Pour in the chopped tomatoes and water. Mix well so everything gets friendly in the pot
- Simmer – Reduce the heat, cover, and let it bubble gently for 20 minutes, until all the vegetables are nice and soft.
- Blend it smooth – Turn the heat off and add the fresh basil to the pot. Use a blender or stick blender to blend the sauce until completely smooth. This is where the "hidden" part happens - no one will ever know what's in there!!
- Taste and adjust – Add a little salt, pepper, or water if needed. If it tastes good, take a quiet moment to feel proud.
- Serve or save – Use it right away with pasta, pizza, bolognaise etc…. or cool it and freeze for an easy future meal.
Notes
- This recipe makes approximately 2000ml of sauce.
- Use it right away for pasta, pizza, lasagne, or anywhere you'd normally use tomato sauce.
- Feel free to swap in extra vegetables you have on hand - it's a great way to reduce waste and use slightly tired vegetables
- This sauce works beautifully as a base for meatballs, chilli, or slow‑cooker dishes.
- Chop the vegetables roughly - they'll be blended later, so no need to be precise.
- The longer the sauce simmers, the richer the flavour becomes.
- Blend until completely smooth if you're hiding the veggies from picky eaters.
- Add extra herbs, chilli flakes, or a splash of balsamic vinegar if you want more depth.
- Store in an airtight container in the fridge for 3-4 days.
- Freeze in portions for easy weeknight meals - it keeps well for up to 3 months.
- Defrost overnight in the fridge or warm gently on the hob straight from frozen.
- If the sauce thickens after chilling or freezing, stir in a splash of water when reheating.
Vicky says
I made this sauce for pasta for my kids. It tastes amazing and the kids polished it off
Rachel says
My kids loved this pasta sauce! Thanks for the recipe!