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Home » Best Of

Thermos Lunches for School

By Laura Fuentes Updated Aug 14, 2025

5 from 1 vote

Hot school meals are possible with one of these thermos lunches! From Leftovers to quick assembly, this post has them all!

When the weather is chilly, a thermos makes it possible to pack a hearty, hot lunch without needing the microwave.

Thermos Lunch Ideas

Whether you are looking for a cozy soup, hearty pasta, or something you could make for dinner and pack as a thermos lunch the next day, below you’ll find lots of kid and adult-friendly recipes to fill your thermos. Simply pick one, click, and print!

Below the recipes, you’ll find tips on how to heat up the food in a thermos and top-tested containers, so keep reading; lots of info in this post.

Spaghetti Carbonara
5 from 10 votes
Pasta and bacon with a delicious sauce is the kind of meal your entire family will be eager to find every time they open their thermoses!
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Teriyaki Chicken
5 from 26 votes
This flavorful teriyaki chicken with rice is a healthier version of the classic take-out. A quick and delicious hot lunch to make on repeat!
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tomato pasta soup in a thermos
Tomato Pasta Soup
5 from 10 votes
Pack this tasty soup in your child's thermos for a delicious & creamy lunch that will warm their bellies on the coldest school days.
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Creamy Sun-Dried Tomato Pasta
5 from 16 votes
Make this epic pasta for dinner and pack leftovers for a winning lunch. A restaurant-style meal you can cook in less than 30 minutes!
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Chicken and Broccoli Alfredo
5 from 14 votes
Enjoy a tasty lunch full of veggies and protein with this easy Alfredo pasta that tastes even better packed in a thermos the next day!
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Chicken and Rice Soup
5 from 16 votes
This cozy soup is the ultimate healthy comfort meal to pack on a cold day. It's easy, delicious, and good for you!
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Cauliflower Rice Jambalaya
Healthy Cajun Jambalaya
5 from 11 votes
Looking for a low-carb and paleo-friendly hot lunch? This epic cajun jambalaya is one both kids and adults will love!
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Ramen Noodle Soup
5 from 24 votes
This budget-friendly ramen noodle soup is just as delicious as the classic and much better for you!
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No-Fuss Lasagna
5 from 18 votes
Who can resist a delicious cheesy meal for lunch? This no-bake lasagna is super easy to make and to pack in a thermos to stay hot for hours!
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Enchilada Soup
5 from 15 votes
You'll be waiting for lunchtime after you try this tasty enchilada soup you can make in 30 minutes.
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Chili Mac
5 from 13 votes
This cheesy, hearty pasta with smoky flavors is super filling and a hot lunch your kids are going to ask for every single week!
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Tomato Tortellini Soup
5 from 17 votes
Just imagine taking the lid off your thermos and find hot tortellini in a savory tomato broth! It's so simple and so yummy!
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Chicken Noodle Soup
5 from 16 votes
It's a fact: Chicken soup always tastes better the second day! That's the reason why packing it in your lunchbox is a terrific idea!
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Salsa Verde Chicken Pasta
5 from 14 votes
Pasta with smoky, vibrant flavors? Yes, please! This easy weeknight dinner is also a great lunch you can pack in a thermos.
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blue thermos of potato soup
Creamy Potato Soup
5 from 3 votes
This thick & creamy potato soup will keep them warm on cold school days!
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Mac and Cheese
5 from 19 votes
Who wouldn't want this mac and cheese for a cozy and delicious lunch? You don't want it, you need it!
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Blueberry Yogurt Parfait
5 from 19 votes
Thermoses can also keep foods cold! Pack a fresh fruit parfait for a tasty and healthy lunchbox side.
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Strawberry Cheesecake Parfait
5 from 13 votes
Need another great cold lunchbox side? This strawberry cheesecake parfait is super nutritious and tastes like dessert!
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Best Thermos to Use

I’ve tried and tested several thermoses over the years, and the two that perform best for younger kids are the Thermos Foogo and Funtainer. Both hold 10 ounces (a perfect portion for kids and teens) and keep food hot for up to 5 hours.

For larger portions (14 oz) or if you need to keep food warm for longer than 5 hours, the Stanley is the best performer.

That being said, to find a container that’s right for you and your family, check out my top thermos containers list. It provides kid-friendly options with a list of why I’ve enjoyed using each as well as larger sizes for bigger appetites.

How to Use a Thermos for Lunch

To keep food hot for hours, it’s important to make sure you are using a thermos correctly. To do this, you’ll preheat the thermos with boiling water and microwave the food until it is too hot to taste. Use oven mitts to drain the water, then add the food. Top with lid, seal, and ta-da!

by Laura Fuentes
onDecember 29, 2022

If you enjoyed the article, please share it with others. Thank you!

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Comments

    5 from 1 vote

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    Recipe Rating




  1. Jenna Marie says

    August 08, 2023 at 11:14 am

    5 stars
    The tortellini soup has been a winner a few times here. It’s one my kids request often.

    Reply
laura fuentes momables holding a lunch bag and lunch boxes

My name is Laura Fuentes
I’m here to help you simplify school lunches with fresh ideas your kids will actually eat.

Mom of 3. Certified in Integrative Nutrition. 5x Cookbook Author.

school lunch ideas! →

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