The pot lid rattles and you know dinner is almost ready. You catch that little steam peep out and your nose begins to fill with the scent of simmering veggies. It’s one of those smells that pulls you right to the kitchen like a magnet, and you can’t help but smile thinking about diving into a warm bowl.

It’s funny how something as simple as vegetable soup feels like a hug after a long day. You watch the broth as it gets that perfect depth of flavor, kinda rich and full without being too heavy. The veggies start loosening up some with that tender pull you get from cooking in the pressure cooker, which just makes everything melt in your mouth.
Slow cooking means you get all those flavors playing nice together for hours, but the quicker release on your cooker is a game changer. You don’t have to wait forever once dinner’s done. All you gotta do next is grab a spoon and get ready to feel all warm inside.
Why Your Cooker Beats Every Other Pot
- You get perfectly tender veggies thanks to the steady pressure and that gentle tender pull that breaks down fibrous bits.
- Quick release option lets you open the lid fast without waiting around, which is perfect when hunger strikes.
- Sealing ring keeps all those flavors locked in without any sneaky steam escaping till it’s time.
- The steady heat inside helps build broth depth in a way stove-top just can’t manage.
- You can set it and forget it for hours, which means more time for chillin’ and less time standing over the stove.
Everything You Need Lined Up
Get these ready on your kitchen counter before you dive in, it really helps keep things smooth and easy. Chop your big onion, celery stalks, and carrots into bite-sized bits, no fancy cuts needed here. Peel the Yukon gold potatoes and dice them up small too so they cook quick and even.
- 1 large onion chopped
- 3 stalks celery chopped
- 2 carrots peeled and chopped
- 3 medium Yukon gold potatoes peeled and diced small
- 2 cans fire roasted tomatoes (14.5 oz each)
- 1 bag frozen mixed vegetables (12 oz)
- 2 bay leaves
- ½ teaspoon dried thyme
- 2 teaspoon minced garlic
- 1 teaspoon salt
- 1 teaspoon pepper
- 2 teaspoons Italian seasoning
- 8 cups vegetable stock
Everything here adds up to a soup that’s hearty and balanced just right. The herbs and bay leaves sneak in flavor without stealing the spotlight so when you taste it you feel that cozy glow of home cooking.

The Exact Process From Start to Finish
Step one you toss in the chopped onion, celery, carrots, and potatoes right into the slow cooker insert. Don’t worry about mixing too much yet.
Next up, pour in those fire roasted tomatoes with all their tasty juices. Then dump in the frozen mixed vegetables on top.
Stir in your bay leaves, the dried thyme, minced garlic, salt and pepper. This is where you start smelling some serious comfort cooking vibes.
Now pour in the vegetable stock until veggies are just covered. You want about 4 to 6 cups depending on your cooker size.
Put the lid on and set the cooker to LOW for about 7 to 8 hours. If you’re short on time switch to HIGH and cook 4 to 5 hours till you notice that tender pull signal in your potatoes and carrots.
When the time’s up, go ahead and do a quick release to let out the steam safely and open the lid. Give it a taste test and remember to fish out those bay leaves before serving.
Adjust the seasoning if it needs a little extra salt or pepper and voilà, you got yourself a pot full of goodness ready to warm your soul.
Time Savers That Actually Work
- Use pre-chopped frozen onions and carrots if you’re really pressed for time.
- Grab a bag of frozen mixed veggies that already has your favorite combo – saves chopping and measuring.
- Keep minced garlic in a squeeze bottle so you can add it quick without the mess.
- Buy diced canned tomatoes instead of whole for an easy pour and less prep.
- Prep all your veggies the night before so you just dump everything in the cooker when you get home.
The Flavor Experience Waiting for You
When you dip your spoon in the soup, you first catch that smoky sweetness from the fire roasted tomatoes. It’s a little tang with a lot of soul, setting the stage for the other layers to come.
The herbs and bay leaves weave their way gently through the broth, making it taste kinda earthy and warm without overpowering all the fresh veggie goodness. It’s the kinda flavor that hugs your insides right away.
Then the potatoes and carrots tender pull together, melting into the mix, giving that satisfying texture that’s soft but still has a little bite to remind you of all the care that went in cooking it slow.
How to Store This for Later
Got leftovers you can’t finish? No worries, this soup holds up well in a few ways.
First, let it cool down to room temp before moving it to an airtight container. Then pop it in the fridge where it’ll last about 3 to 4 days nicely.
If you wanna save it longer, freezing is your friend. Use freezer-safe containers or heavy-duty bags. Just leave a little room for expansion so it doesn’t get messy.
When reheating from frozen, thaw in the fridge overnight then gently warm it up using your stove or microwave. Stir occasionally to keep that broth depth fresh and tasty.
You can also freeze it in individual portions so grabbing lunch or a quick dinner is super simple. Just remember to mark the containers with the date so you keep track of freshness.
Common Questions and Real Answers
- Can I swap out the vegetable stock for water? Yeah you can if you’re in a pinch but stock adds way more flavor so it’s worth the effort if you got it.
- What’s the best way to tell when the vegetables are done? You wanna see that tender pull, especially with the potatoes and carrots. If you can poke them easily with a fork it’s ready.
- Can I add beans or lentils? For sure. Just add them at the start and maybe rinse canned ones well to keep the broth clear and tasty.
- How do I do a quick release safely? Use a long utensil to switch the valve and keep your hands clear of the steam. Listen for the steam cues and wait till it’s all out before you pop the lid.
- What if my slow cooker doesn’t have a sealing ring? Most pressure cookers need that ring to keep the pressure right. If yours doesn’t have one or it’s cracked, pick up a new one before making soups like this.
- Can I make this soup on the stove instead? You can but it’ll take longer and you gotta watch it to keep from drying out. The cooker really helps build that broth depth you love.

For more comforting slow cooker recipes, explore our Classic Crockpot Pierogi Casserole with Kielbasa, perfect for busy nights when you want cozy flavors without the fuss.
Try pairing your soup with easy Easy Marinated Cheese Appetizer with Salami & Green Olives for a delightful balance of fresh and savory bites.
Need a crunchy side? Our Crispy Mashed Potato Fries offer a unique twist on a classic favorite that everyone loves.

Slow Cooker Vegetable Soup
Equipment
- 1 Slow cooker 6-quart or larger
Ingredients
Main ingredients
- 1 large Onion chopped
- 3 stalks Celery chopped
- 2 Carrots peeled and chopped
- 3 medium Yukon gold potatoes peeled and diced small
- 2 cans Fire roasted tomatoes 14.5 oz each
- 1 bag Frozen mixed vegetables 12 oz
- 2 Bay leaves
- 0.5 teaspoon Dried thyme
- 2 teaspoon Minced garlic
- 1 teaspoon Salt
- 1 teaspoon Pepper
- 2 teaspoons Italian seasoning
- 8 cups Vegetable stock
Instructions
Instructions
- Add chopped onion, celery, carrots, and potatoes to the slow cooker.
- Pour in the fire roasted tomatoes and top with frozen mixed vegetables.
- Stir in bay leaves, thyme, garlic, salt, pepper, and Italian seasoning.
- Pour in vegetable stock to just cover the vegetables.
- Cover and cook on LOW for 7-8 hours or HIGH for 4-5 hours until vegetables are tender.
- Remove bay leaves, adjust seasoning, and serve warm.



