Name: Easy Vegetable Soup with Frozen Vegetables
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Ingredients: 2 tablespoons olive oil; 1 medium onion (diced); 3 cloves garlic (minced); frozen mixed vegetables (1 (16 oz) bag); diced tomatoes (1 (14.5 oz) can, with juice); 6 cups vegetable or chicken broth; 1 teaspoon dried thyme; 1 bay leaf; Salt and black pepper (to taste); Fresh parsley (chopped (optional, for serving))

Jump to Recipe

This easy vegetable soup with frozen vegetables is warm, hearty, and ready in just 30 minutes. A bag of frozen mixed vegetables, canned tomatoes, and savory broth come together in one pot with almost no chopping. It is the perfect weeknight dinner when you want something healthy but do not have time to cut up fresh vegetables. This easy vegetable soup with frozen vegetables tastes like it simmered all day, but it comes together in half an hour.

Keep reading for the simple steps, plus tips on seasonings, swaps, and make-ahead storage that make this soup a weeknight staple.

Why You’ll Love It

Ready in 30 minutes. Frozen vegetables go straight into the pot — no peeling or chopping needed.
One pot. Everything cooks in a single pot, so cleanup is fast and easy.
Healthy and filling. Packed with vegetables and fiber, but light enough for any night of the week.
Budget-friendly. Frozen vegetables and pantry staples keep this soup cheap to make.
Great for leftovers. It tastes even better the next day, and it freezes well too.

Why Easy Vegetable Soup with Frozen Vegetables Works So Well

Frozen vegetables are the secret that makes this soup so fast. They are picked and frozen at peak freshness, so they hold their color, flavor, and nutrients just as well as fresh ones. Because they are already cut and cleaned, you skip all the prep work. The vegetables cook directly in the broth, which means they soak up flavor as they soften. There is no need to thaw them first — they go from freezer to pot in seconds.

The broth is what turns simple vegetables into a satisfying soup. A good vegetable or chicken broth gives the soup a rich, savory base that tastes like it cooked for hours. Canned diced tomatoes add a gentle sweetness and a little acidity that wakes up all the flavors. When the broth simmers with the tomatoes, the flavors blend together into something deeper and warmer than any of the parts alone. A few herbs — like thyme and bay leaf — finish the job.

This soup is forgiving, which makes it perfect for beginners. The vegetables cook evenly because they are cut to the same small size in the freezer bag. The soup cannot really overcook in 30 minutes — it just gets a little softer. You can taste and adjust the salt at the end, which means the seasoning is always under your control. Once you make this easy vegetable soup with frozen vegetables a few times, you will know the recipe by heart.

Key Ingredients Explained

Frozen mixed vegetables: One 16-ounce bag of mixed vegetables (carrots, peas, corn, green beans). No thawing needed — they go straight in the pot.
Vegetable or chicken broth: Six cups. This is the base of the soup, so use one you like the taste of. Low-sodium broth lets you control the salt.
Diced tomatoes: One 14.5-ounce can, with the juice. The tomatoes add sweetness and body to the broth.
Onion: One medium onion, diced. It cooks down first and builds the flavor base of the soup.
Garlic: Three cloves, minced. Garlic adds warmth and depth. Cook it just until you can smell it.
Olive oil: Two tablespoons, for cooking the onion and garlic at the start.
Dried thyme: One teaspoon. Thyme gives the soup a cozy, herby flavor that goes well with vegetables.
Bay leaf: One leaf, removed before serving. It adds a quiet background flavor you will miss if it is gone.
Salt and black pepper: Season to taste. Add salt a little at a time — the broth already has some.
Fresh parsley (optional): A small handful, chopped, for serving. It adds fresh color and a bright finish.

Ingredients

2 tablespoons olive oil
1 medium onion, diced
3 cloves garlic, minced
1 bag (16 oz) frozen mixed vegetables (carrots, peas, corn, green beans)
1 can (14.5 oz) diced tomatoes, with juice
6 cups vegetable or chicken broth
1 teaspoon dried thyme
1 bay leaf
Salt and black pepper, to taste
Fresh parsley, chopped (optional, for serving)

How to Make Easy Vegetable Soup with Frozen Vegetables

Step 1: Cook the onion and garlic.
Heat the olive oil in a large pot over medium heat. Add the diced onion and cook for 4 to 5 minutes, stirring sometimes, until soft and see-through. Add the garlic and cook for 30 seconds more, until you can smell it.
Tip: Do not let the garlic brown — browned garlic turns bitter and can spoil the soup.
Step 2: Add the broth, tomatoes, and herbs.
Pour in the broth and the can of diced tomatoes with their juice. Add the thyme and the bay leaf. Stir everything together.
Tip: Scrape the bottom of the pot with a spoon — the browned bits from the onion add great flavor.
Step 3: Bring to a boil.
Turn the heat up to high and bring the soup to a boil. This should take about 5 minutes.
Tip: A rolling boil is not needed — you just want to see steady bubbles across the surface.
Step 4: Add the frozen vegetables.
Add the whole bag of frozen vegetables straight from the freezer. Stir, then bring the soup back to a gentle boil.
Tip: The soup will stop boiling for a minute when the cold vegetables go in. That is normal — just wait for the bubbles to return.
Step 5: Simmer.
Turn the heat down to low and let the soup simmer for 12 to 15 minutes, until the vegetables are tender. Taste a carrot or green bean to check.
Tip: Keep the lid on while it simmers so the heat stays in and the vegetables cook evenly.
Step 6: Season and serve.
Remove the bay leaf. Taste the soup and add salt and black pepper as needed. Ladle into bowls and top with fresh parsley if you like.
Tip: Add salt in small pinches and taste after each one. It is easy to add more but hard to fix too much.

Variations

Add pasta: Stir in 1 cup of small pasta (like ditalini or small shells) with the vegetables and simmer until the pasta is tender. Add a splash more broth if the soup gets thick.
Add beans: Add one drained can of white beans or chickpeas with the vegetables for extra protein and fiber.
Add potatoes: Dice two small potatoes and add them with the broth so they cook through. This makes the soup heartier.
Spicy version: Add 1/2 teaspoon of red pepper flakes with the garlic. The gentle heat wakes up the whole soup.

What to Serve With

Crusty bread — perfect for dipping into the warm broth
Grilled cheese sandwich — a classic pairing with vegetable soup
A simple green salad — keeps the meal light and fresh
Crackers — easy and always good with soup
A sprinkle of parmesan — adds salty richness on top

Storage & Reheating

To store: Let the soup cool, then keep it in an airtight container in the fridge for up to 5 days. The flavor gets even better overnight.

To reheat: Warm single servings in the microwave for 2 to 3 minutes, stirring halfway. For the whole pot, heat on the stove over medium heat until steaming.

To freeze: Cool the soup completely, then freeze in portion-sized containers for up to 3 months. Leave a little space at the top because soup expands when frozen.

Make ahead: Make the full soup up to 2 days ahead and keep it in the fridge. Reheat gently on the stove before serving.

FAQs

Do I need to thaw the frozen vegetables first?
No. They go straight from the freezer into the boiling soup. Thawing them first would make them mushy.

Can I use fresh vegetables instead?
Yes. Use about 4 cups of chopped fresh vegetables (carrots, peas, corn, green beans) and add 5 extra minutes of simmering time so they cook through.

Why does my soup taste bland?
It probably needs more salt. Add it in small pinches and taste as you go. A squeeze of lemon juice at the end also brightens the flavor.

Can I use water instead of broth?
You can, but the soup will be much less flavorful. If you use water, add an extra bay leaf and a teaspoon of onion powder to build more flavor.

Is this soup healthy?
It is full of vegetables and fiber, and you control the salt and oil. It is a light, nourishing meal on its own or with bread.

Can I make it in a slow cooker?
Yes. Add everything except the parsley to the slow cooker and cook on low for 4 to 5 hours or on high for 2 to 3 hours. Season at the end.

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Sophia

Recipe Creator

Sophia is the Recipe Creator behind CraveFork. She shares tried-and-true classic recipes with simple ingredients and clear, easy-to-follow steps - practical dishes for busy home cooks, from quick weeknight dinners to easy desserts. Learn more on the About page.