Keto Steak and Peppers in the Slow Cooker
Published March 8, 2020 • Updated February 3, 2026
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This budget-friendly dinner preps in 5 minutes the night before or morning of. Let the steak and peppers cook in the slow cooker while you're at work. Come home to a hearty, low carb meal that works for fajitas, taco salad, or over cauliflower rice.
Explore 681+ keto recipe videos with step-by-step instructions, tips, and tricks to make keto easy.
Ingredients
3-5 pounds chuck roast or shoulder roast, cross-rib roast -
1 red bell pepper, sliced
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1 green bell pepper, sliced
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1/2 yellow onion, sliced
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1/2 cup canned crushed tomatoes
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3 tablespoons liquid aminos
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2 tablespoons red wine vinegar
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dashes of hot sauce
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1/2 tablespoon salt
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1 teaspoon garlic powder
Step by Step Instructions
Step by Step Instructions
Nutrition disclaimer
The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.
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Can I use a different cut of beef instead of chuck roast?
Chuck roast is ideal because it gets tender after hours of slow cooking. Shoulder roast or cross-rib roast work too, though cooking time might be a bit different.
What can I substitute for liquid aminos?
Soy sauce or tamari both work. If you're avoiding gluten, go with tamari.
How can I store leftovers from this recipe?
Store leftovers in an airtight container in the fridge for 3-4 days, or freeze for up to 3 months.
What can I serve with this dish if I'm following a keto diet?
Cauliflower rice, zoodles, or shirataki rice all work. It's also great in lettuce wraps or on a salad.
Can I add other vegetables to this slow cooker recipe?
Yes! Mushrooms, zucchini, and spinach all work well. Just don't overload it or you might need to adjust cooking time.
This slow cooker steak and peppers feeds a family of four with leftovers to spare. Plenty for other meals throughout the week.
All the ingredients go in the slow cooker to cook while you’re at work. The peppers get soft and sweet, and the steak shreds perfectly. Add some 
The slow cooker is my go-to for keto meal prep. With three hungry boys to feed, I need dinners that don’t take much effort. So many of my favorites start in the crockpot.
Dump everything in before work, and eight hours later your house smells incredible and dinner’s ready.
My favorite way to eat this is over cauliflower rice or shirataki rice. I like 
Slice your veggies ahead of time and store in a bag in the fridge. When you’re ready to cook, just dump everything in.
What rice cauliflower recipe would you recommend?
Check out my video on how to make cauliflower rice. The key is to cook it without adding liquid in a dry non-stick skillet. https://youtu.be/EI8jQqxn8Yk
Can I make this in an InstantPot?
I haven't tried this recipe in an instant pot yet. You could try to pressure cook on high for about 15-18 minutes. Let it vent naturally for 20 minutes. After you vent any remaining steam, see if cooked through enough. You may need to cook for additional time.
Is there an Instant Pot conversion of the recipe?
This is so delicious and easy!
What is the serving size?
There are 6 servings so 1/6 of the whole pot