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Home » Recipes » Thermos Lunches

Tomato Pasta Soup Thermos Lunch

By Laura Fuentes Updated Aug 2, 2024

5 from 10 votes

Recipe

This post may contain affiliate links. Read our disclosure policy here.

Turn dinner leftovers into an epic school lunch idea with this delicious thermos recipe. Plus, all the tips to keep it warm!

Pack this nutritious tomato pasta soup in 5 minutes by following the tips below and it will stay hot for hours!

tomato pasta soup in a thermos and a lunchbox with veggies and ranch

Thermos Lunch Recipe with Tomato Pasta Soup

This thermos recipe is every mom’s dream come true: a healthy and nutritious lunch that you can pack in 5 minutes… and it’s not a sandwich! We all love something between two slices of bread, but when you crave a non-sandwich lunch, a warm meal packed with good-for-you ingredients, nothing can beat a soup thermos lunch.

Yes, it sounds like more work for you, but quite the opposite, since this school lunch idea is a great way to use leftover pasta soup from dinner.

My go-to thermos recipes are this Creamy Tomato Tortellini Soup and this Veggie Tomato Soup, to which I often add cooked pasta to make it more filling. The pasta texture will be a bit softer at lunch, but should not be mushy!

Ok. We have an epic thermos lunch ahead, but how to keep it hot until lunchtime? That’s why I’m here, guys. Keep reading to learn all the tips for packing this tomato pasta soup in a thermos so your kid can enjoy a warm lunch when opening the lid!

What you need

Making healthy school lunches out of leftovers is my motto. Check how you can make this easy thermos recipe too, using what’s left from dinner:

  • Soup: veggie soup or pasta soup.
  • Cooked pasta: if you’re packing a soup without pasta, add ½ cup of your favorite pasta for a satisfying lunch.
  • Raw veggies: whatever you have around and your kid enjoys eating!
  • Ranch dressing: you can swap it for hummus or your favorite sauce for dipping veggies.
tomato pasta soup in a thermos

How to Pack Tomato Pasta Soup in a Thermos for Lunch

Make the most of leftovers with this epic thermos lunch recipe you can pack quickly and easily, and keep warm for hours. Here’s how:

  1. Preheat the thermos
    You fill the thermos container with hot water and let it sit for 5 minutes before draining it. 
  2. Heat up the soup
    Meanwhile, you heat up the tomato pasta soup until piping hot, for about 2 minutes, in the microwave. You shouldn’t be able to taste it without burning your tongue.
  3. Pack the soup
    Now, you pour the hot soup inside the preheated thermos container and close the lid.
  4. Make it a meal
    Fill a small lidded container with dressing or dip. Pack the veggies separately. 
  5. Pack it for lunch
    Place the thermos container, a spoon, and the veggies and dip inside a lunch bag. 
tomato pasta soup in a thermos

More tips for packing Tomato Pasta Soup for lunch

Follow these tips every time you pack a thermos recipe for school and it will stay warm until lunchtime:

Heat up the soup until pipping hot
Heating food to 212F is the #1 hack for packing thermos lunches that remain hot until lunch. You shouldn’t be able to taste the food without burning your mouth. Don’t worry, the soup will cool off enough by lunchtime so your kid can enjoy it.

Pick a good thermos
If you follow the steps I’m sharing, lunch should remain hot for 5 to 7 hours, depending on the thermos container. A double-insulated thermos is a great choice to keep food warm longer. Here are my top thermos picks for kids.

Add sides
Since this soup is loaded with veggies and pasta, bellies will be filled. But school lunch sides can be a fun way to sneak extra nutrition, so I usually pack thermos lunches with veggies and a dip. Make sure to pack them separately one from each other, so they remain intact until lunch.

Pack everything in the same lunch bag
You have a thermos container with warm soup and a lunchbox with cold veggies and dressing. No problem! You can pack hot and cold items in the same lunch bag, keeping them separated. If using an ice pack for the cold items, place it away from the thermos. You can also place a reusable napkin around the thermos so it’s separate from the cold items and your kid have something to wipe their hands with!

Tomato Pasta Soup Thermos Lunch

tomato pasta soup in a thermos
Servings: 1
Prep Time: 5 minutes mins
Total Time: 5 minutes mins
Turn dinner leftovers into an epic school lunch idea with this delicious thermos recipe. Plus, all the tips to keep it warm!
5 from 10 votes
Print Pin

Ingredients

For the tomato pasta soup:

  • 1 cup veggie tomato soup
  • ½ cup cooked macaroni pasta

For this lunch:

  • Tomato pasta soup
  • 1 cup raw veggies
  • 2 tablespoons ranch dressing

Instructions

Prep:

  • Fill the thermos container with hot water and let it sit for 5 minutes before draining the water out. Meanwhile, heat up the tomato pasta soup, wither leftovers from dinner or making your own with tomato soup + cooked pasta, until piping hot, for about 2 minutes in the microwave.
  • Pour the hot soup inside the thermos container, close the lid.

Pack this lunch:

  • Fill a small lidded container with 2 tablespoons of dressing or dip. Pack the veggies separatedly. If your container or snack box is leak-proof, you can put them all in the same one but in separate compartments.
  • Place the thermos container, a spoon, and the veggies and dip inside a lunch bag.

Equipment

Thermos
101 Packed Lunches

Nutrition

Serving: 1 lunch | Calories: 274kcal | Carbohydrates: 55g | Protein: 8g | Fat: 2g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 56mg | Potassium: 608mg | Fiber: 4g | Sugar: 21g | Vitamin A: 988IU | Vitamin C: 33mg | Calcium: 38mg | Iron: 3mg

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Comments

    5 from 10 votes

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    Recipe Rating




  1. Hailey says

    May 01, 2024 at 12:33 pm

    5 stars
    Soups are so easy to pack, but I never think to make them. This is a lifesaver Laura!

    Reply
  2. Jane says

    April 19, 2024 at 7:50 am

    5 stars
    Thank you for the tips for packing this lunch! My 10 year old loves it and he can now take it with him to school. Thank you!

    Reply
  3. TAYLER ROSS says

    April 16, 2024 at 12:57 pm

    5 stars
    I packed this soup for lunch today and it was delicious! Definitely a new favorite!

    Reply
  4. dana says

    April 16, 2024 at 12:03 pm

    5 stars
    This is such a nostalgic recipe! Super easy, cozy, and tasty, too!

    Reply
  5. Erik says

    April 16, 2024 at 11:18 am

    5 stars
    TBH I made this just to eat at home bc it looked so good. Now I’m definitely gonna be making it again for a to go lunch!

    Reply
  6. Tiffany says

    April 16, 2024 at 10:31 am

    5 stars
    I love this idea for a warm, comforting to go lunch! It’s delicious too!

    Reply
  7. Bobby says

    April 16, 2024 at 9:43 am

    5 stars
    This is a great idea to get some variety rather than sandwiches every single day. Thank you!

    Reply
  8. Gia says

    April 12, 2024 at 4:46 pm

    5 stars
    My kiddo loves tomato soup! Thanks for recommending a thermos as well! Always looking for a good thermos recommendation!

    Reply
  9. Jessica says

    April 12, 2024 at 2:58 pm

    5 stars
    My kids love tomato soup, so this lunch idea will be a hit! I’ll pack one soup for me too! ;)

    Reply
  10. Randi says

    April 12, 2024 at 2:13 pm

    5 stars
    My daughter was getting tired of the classic sandwiches, so I sent her to school with this warm thermos lunch and she was thrilled!

    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.

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