If you’ve ever loved stuffed peppers but wished dinner could be simpler (and hands-off), this soup delivers all the cozy, savory, homey flavors you crave with none of the work of stuffing peppers or washing extra dishes.

My freezer meal recipe for Unstuffed Pepper Soup has all the cozy, savory flavors of classic stuffed peppers — ground beef, sweet red bell peppers, tomatoes, garlic, and just enough richness — without the extra steps. Even better? It’s designed to be prepped once, frozen flat, and cooked later when you actually need it.

Why Unstuffed Pepper Soup Makes a Great Freezer Meal

Not every soup is freezer-friendly. Some separate, some get watery, and others lose their texture completely. This recipe avoids all of that, which is why it’s such a staple.

Here’s why it works:

• All the ingredients freeze without losing quality or texture (no cream, no delicate veggies)

• The flavors deepen as it cooks, especially after freezing

• Rice is added fresh on cooking day, so it doesn’t get mushy

• It’s protein-forward and filling, not just broth with vegetables

• It reheats well for leftovers, making it great for lunches too

What Ingredients Do I Need for This Recipe?

• Ground beef

• Yellow onion

• Red bell peppers

• Minced garlic

• Tomato sauce

• Diced tomatoes

• Beef broth

• Worcestershire sauce

•  cSalt

• Black pepper

• Cooked rice (added on day of cooking)

• Shredded mozzarella cheese (added on day of cooking)

How Do I Cook Unstuffed Pepper Soup in the Crockpot?

When you’re ready to cook:

1. Thaw the freezer bag in the refrigerator overnight.

2. Transfer contents to the Crockpot.

3. Cook on High for 3–4 hours, or Low for 5–6 hours

4. Stir in 2 cups cooked rice.

5. Taste and adjust seasoning.

6. Add additional beef broth if the soup is too thick.

7. Serve topped with shredded mozzarella cheese.

Tip: Steam-in-the-Bag Rice

This recipe is perfect with microwave steam-in-the-bag rice. It saves time, keeps cleanup minimal, and lets you add just the amount you need.

Freezing Tips for Soup (So It Reheats Like New)

Soups are some of the easiest meals to freeze, but a few small details make a big difference in how they taste and reheat later. These tips help keep this Unstuffed Pepper Soup just as good on cooking day as it is when you first prep it.

Freeze Without Starches

Rice, pasta, and potatoes continue to absorb liquid as they sit, which can change the texture of your soup. That’s why this recipe is designed to add the rice on the day of cooking, not before freezing. You’ll get a better broth-to-rice ratio and avoid mushy leftovers.

For more on this subject, our blog post Are Freezer Meals Mushy? Tips for Texture is a great resource!

Cool Ingredients Before Freezing

If you’re browning meat or using warm ingredients, let everything cool slightly before sealing the freezer bag. This helps prevent excess condensation and ice crystals, which can affect texture.

Remove as Much Air as Possible

Air is the enemy of freezer meals. Press out as much air as you can before sealing the bag to reduce freezer burn and help the soup keep its flavor.

Freeze Flat for Faster Thawing

Lay freezer bags flat on a baking sheet until solid, then store them upright or stacked. Flat freezing saves space and allows the soup to thaw more evenly.

Label Clearly

Always label bags with the recipe name, prep date, and cooking instructions. I recommend using freezer meals within 90 days for the best flavor and texture.

Adjust Consistency on Cooking Day

Soups often thicken slightly after freezing. If your soup seems too thick once cooked, simply stir in additional beef broth until it reaches your preferred consistency.

If you’re new to making freezer meals be sure to check out our blog posts How to Make Freezer Meals and What Makes a Good Freezer Meal for helpful tips and tricks!

What Makes This Recipe a Healthy Choice?

Rich in Antioxidants & Lycopene

This recipe is built around tomato sauce, diced tomatoes, and red bell peppers, all of which are rich in antioxidants, including lycopene. Antioxidants help regulate and enhance immune function, something that’s especially helpful during cold and flu season. Lycopene is a naturally occurring compound responsible for the red color in tomatoes and peppers and has been studied for its role in helping reduce oxidative stress in the body.

What’s especially helpful here is that lycopene becomes more bioavailable when tomatoes are cooked. Since this soup uses both tomato sauce and diced tomatoes and simmers for several hours in the Crockpot, it allows those nutrients to become easier for your body to absorb.

Red bell peppers add another layer of antioxidant support, along with vitamin C, which pairs well with the iron found in the beef. Together, these ingredients create a meal that’s not just filling, but thoughtfully nourishing.

High in Protein

With ground beef as the base, this soup provides a generous 29g of protein per serving. Protein helps support muscle health and keeps meals satisfying, which is especially important for busy days when you need dinner to hold you over.

Naturally Gluten-Free

This recipe is naturally gluten-free, making it a great option for those avoiding gluten or cooking for mixed dietary needs. Since the rice is added separately on cooking day, it’s easy to keep everything gluten-free without relying on specialty ingredients or substitutions.

What Can I Serve with Unstuffed Pepper Soup?

This soup is hearty enough to stand on its own, especially with the added rice and melted mozzarella, but pairing it with a simple side can turn it into a full, well-rounded meal, especially if you’re feeding a family or serving guests. Here are some of go-tos:

Crusty Bread or Rolls

A slice of crusty bread or a warm dinner roll is perfect for soaking up the tomato-rich broth. This is a great option for cozy nights when you want something without extra prep.

Simple Green Salad

A basic green salad with a light vinaigrette balances the richness of the soup nicely. Think mixed greens, cucumbers, and maybe a little shaved parmesan.

Roasted or Steamed Vegetables

If you want to add more veggies to the meal, roasted broccoli, green beans, or carrots work well. They’re neutral enough to complement the bold flavors of the soup without competing with it.

Extra Rice on the Side

For bigger appetites, you can serve additional rice on the side and let everyone add more to their bowl. This is especially helpful if you’re stretching the meal or feeding teenagers.

Final Thoughts

Unstuffed Pepper Soup delivers everything you love about classic stuffed peppers in a more flexible, weeknight-friendly format. You can prep it ahead when you have time, freeze it flat, and pull it out on a day when cooking from scratch just isn’t happening. Add the rice, sprinkle on the cheese, and dinner is done.

My favorite thing about this recipe is that it doesn’t ask you to choose between comfort and nourishment. It’s high in protein, naturally gluten-free, packed with vegetables, and rich in flavor without requiring complicated steps or hard-to-find ingredients. I hope you love it as much as I do!

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Unstuffed Pepper Soup

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Chef

Jen Chapin

Diet

Nut-Free , Sugar-free , Gluten-Free

Cuisine

American

Cookbook

Cooking Method

Crockpot

Protein

Beef

Dish

Entrée

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