Hidden Carrot and Red Pepper Pasta Sauce
By the QuiteRecipes team (Jamy & Kaïna) | Food Service Professional, Early Childhood Expert & Parents
A bright, naturally sweet tomato sauce with roasted carrots and red peppers blended straight in — a rainbow of vegetables hidden under the familiar red.
Red pasta is the great camouflage — kids trust it, dip into it, and rarely look closer. So we roast carrots and red peppers until they are sweet and soft, blend them with good tomatoes, and the result is a sauce that tastes rounder and gentler than plain tomato. No chunks to pick out, no green leaves to argue about: just a velvet-red bowl that carries its vegetables invisibly. We double the batch and freeze half for a school-night rescue.
🥄 Ingredients
- 🫗 2 carrots, peeled and roughly chopped
- 🫗 1 red bell pepper, seeded and roughly chopped
- 🫗 1 small onion, quartered
- 🫗 1 tbsp olive oil
- 🫗 1 garlic clove
- 🫗 1 can (400g) crushed tomatoes
- 🫗 2 tbsp tomato paste
- 🫗 1 tsp dried oregano
- 🫗 1/2 tsp sugar
- 🫗 Salt and black pepper
- 🫗 350g pasta of choice, to serve
Nutrition Facts*
*Nutritional information is an estimate and may vary based on ingredients, brands and portion sizes. Values are provided per serving.
👨🍳 Instructions
Preheat the oven to 200°C. Toss the carrot, red pepper, and onion with the olive oil, spread on a tray, and roast 20 minutes, until soft and sweet-edged.
Transfer the roasted vegetables and garlic to a blender with a splash of water. Blend until completely smooth.
Pour into a saucepan with the crushed tomatoes, tomato paste, oregano, and sugar. Simmer gently for 10 minutes, stirring, until thick and glossy.
Season to taste and blend again if you want silk. Toss with cooked pasta and serve.
⚠️ Common Mistakes
- ✕
Under-roasting the vegetables, which leaves a flat, watery flavor.
- ✕
Adding extra salt before tasting — roasted vegetables bring their own sweet-savory base.
- ✕
Boiling the sauce too hard, which thins it and dulls the color.
- ✕
Leaving pieces unblended that a picky eater could fish out.
🔄 Variations
Add a cup of cooked red lentils for a protein boost and thicker sauce.
Swap the red pepper for roasted butternut squash when in season.
Blend in a handful of baby spinach at the end for extra color and iron.
Turn it into a hidden-veg pizza sauce by reducing it until thicker.
🧊 Storage
- 📦
Freezes beautifully: 3 months in a labeled container.
- 📦
In the fridge it keeps 4 days; reheat gently with a splash of water.
💡 Chef Tips
Roasting (not boiling) is what unlocks the sweetness — golden edges mean maximum sweetness with zero added sugar.
Blend once after simmering for the smoothest, most kid-proof texture.
A pinch of sugar balances canned tomatoes; use it from the start.
Make a double batch and freeze in cups ready to drop straight into a pot.
❓ FAQ
What does the sauce taste like? Sweet, tomatoey, and milder than plain tomato — more like a round, comforting marinara.
Can I use frozen carrots and peppers? Roast them a little longer; they release water, so pat them dry first.
Is this dairy-free? Yes, entirely — great for kids with dairy sensitivities.
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About the Authors
This recipe and guide was developed, tested, and approved in our home kitchen and daily life. Jamy is a retired Food Service District Manager and Early Childhood Program Manager who spent his career overseeing multi-site restaurant operations, large-scale culinary production, and daycare menu management. Kaïna brings the ultimate real-world test: making sure it brings ease and joy to our kids on a busy weeknight.
Read more about our professional background and philosophy →