Keto stuffed pepper soup skips the fussy part of stuffed peppers, the hollowing and stuffing and baking, and gives you the same savory beef, sweet pepper, and tomato flavor in a single pot. Cauliflower rice stands in for the white rice, so the bowl stays hearty without the carb load.
A generous bowl comes in at 7 g net carbs with 39 g of protein and about 421 calories. The numbers are calculated from the exact ingredients below, cheddar topping included.
Soup is an easy place to under-eat protein without noticing. If you want a clear daily protein target to build your lunches around, run your numbers through my free protein calculator.
- 7 g net carbs and 39 g protein per bowl, about 421 calories.
- Brown the beef hard. Those dark bits on the bottom of the pot are where the flavor comes from.
- Add the cauliflower rice last. Five minutes of simmering keeps it tender instead of mushy.
- Green peppers keep carbs lower than red or yellow, so the recipe leans on them.
- It freezes beautifully for up to 3 months, which makes it a strong batch-cook lunch.
Why This Works on Keto
Lunch is where a lot of low-carb plans quietly fall apart. The sandwich shop is close, the leftovers ran out, and suddenly you’re eating whatever is fast. A pot of soup that reheats in two minutes solves that problem for the whole week.
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Ground beef carries most of the load here. It brings plenty of protein and enough fat to keep you satisfied through the afternoon, while the vegetables and broth add volume so a bowl feels like a real meal.
Swapping rice for cauliflower rice is the single change that makes this keto. The texture is close enough that the soup still reads as stuffed peppers, and you save the bulk of the carbs a cup of cooked rice would add.
A Few Notes on the Ingredients
Ground beef in the 85/15 range gives the best balance. Leaner beef can taste dry in soup, and fattier blends leave a greasy layer on top unless you drain them.
Bell peppers are the backbone of the flavor. Green peppers are the lowest in carbs and give that classic stuffed-pepper taste, while a little red pepper adds color if your budget for carbs allows.
Crushed tomatoes are used in a modest amount on purpose. Tomatoes add carbs quickly, so a smaller portion plus beef broth gives a rich, tomato-forward base without pushing the count up.
Cauliflower rice can be fresh or frozen. Frozen works well here and doesn’t need to be thawed; just stir it in straight from the bag.
Keto Stuffed Pepper Soup
Ingredients
Equipment
Method
- Dice the onion and bell peppers into roughly half-inch pieces and mince the garlic.
- Heat the olive oil in a large pot or dutch oven over medium-high heat. Add the ground beef and cook, breaking it up, until well browned, 8 to 10 minutes. Drain off excess fat if needed.
- Add the onion and bell peppers and cook until they start to soften, about 5 minutes. Stir in the garlic, oregano, smoked paprika, salt, and black pepper and cook 1 minute more.
- Pour in the crushed tomatoes and beef broth, scraping up the browned bits from the bottom of the pot. Bring to a boil, then lower the heat and simmer 15 minutes.
- Stir in the cauliflower rice and simmer 5 to 8 minutes, just until tender. Taste and adjust the salt.
- Ladle into bowls, top each with shredded cheddar, and let it melt for a minute. Sprinkle with parsley and serve.
Nutrition
Notes
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- Dairy free: Leave off the cheddar and finish each bowl with sliced avocado or a spoonful of dairy-free sour cream.
- Swap the protein: Ground turkey or Italian sausage both work. Sausage adds a nice fennel note.
- More heat: Add a diced jalapeño with the peppers, or a pinch of red pepper flakes with the spices.
- Slow cooker: Brown the beef first, add everything except the cauliflower rice, cook on low 6 hours, then stir in the cauliflower rice for the last 20 minutes.
- Thicker soup: Use 1 cup less broth, or stir in a quarter teaspoon of xanthan gum while it simmers.
Storage, Leftovers, and Serving
Let the soup cool, then refrigerate it in sealed containers for up to 4 days. For freezing, portion it into single servings and leave some headroom in the container, since liquid expands as it freezes.
Reheat on the stove over medium heat or in the microwave for 2 to 3 minutes, stirring halfway. Add the cheddar after reheating so it melts fresh on top instead of turning stringy.
Pair a bowl with a simple side salad for a fuller lunch. For more make-ahead midday ideas, browse my keto lunch recipes.
Frequently Asked Questions
Does Cauliflower Rice Get Mushy in Soup?
It can if it simmers too long. Add it during the last 5 to 8 minutes of cooking, and when you reheat leftovers, warm them gently rather than boiling. Frozen cauliflower rice actually holds its shape a little better than fresh.
How Many Carbs Are in Keto Stuffed Pepper Soup?
Each bowl has about 7 g net carbs, along with 39 g protein and 25 g fat. Most of the carbs come from the peppers, onion, and tomatoes, which is why those are kept to measured amounts.
Can I Use Red Bell Peppers Instead of Green?
Yes, but expect the carbs to rise a bit, since red peppers are sweeter. A good compromise is one green and one red pepper. You’ll get extra color and a slightly sweeter soup while staying within a keto range.
Your This-Week Plan
Here’s the experiment: make this soup on Sunday and pack it for lunch four days in a row. Pay attention to your energy around 3 p.m. compared with a typical sandwich lunch. If the afternoon slump fades, that’s a strong sign a protein-first lunch is working for you.
This recipe is for general education, not medical advice. Nutrition values are estimates and will vary with brands. If you’re pregnant, have a health condition, or take medication for blood sugar or blood pressure, check with your doctor before starting keto.
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