Crockpot Pepper Steak: Tender Beef, Bell Peppers, and Savory Sauce
This Crockpot Pepper Steak turns a handful of simple ingredients into the kind of dinner that smells like you’ve been cooking all day, with barely any stovetop time. Thin strips of beef chuck braise in a gingery soy sauce until they’re spoon-tender, while bell peppers and onions soak up all that savory liquid.
Serve it over a heap of steamed rice and you get that same satisfying feel-good warmth as your favorite takeout, but made in your own kitchen with no mystery ingredients.
What Makes This One So Reliable
The beef stays remarkably juicy because the slow cooker uses gentle, steady heat to break down the chuck without drying it out. The sauce starts with soy, garlic, and ginger that we coax into the aromatics first, so every bite carries that deep, rounded flavor.
You also get two textures from the peppers: the ones that cook the whole time go soft and sweet, while a handful added near the end keep a fresh snap. It is the kind of meal that reheats well, so lunch the next day practically takes care of itself.
Ingredients
- 1.5 lb beef chuck, sliced into thin strips: this cut stays tender after hours of slow cooking; sirloin works but will not be as fall-apart
- 1/2 tsp kosher salt
- 1/4 tsp black pepper
- 2 tbsp vegetable oil, divided
- 2 bell peppers, any color, sliced
- 1 large yellow onion, sliced
- 3 cloves garlic, minced
- 1 tbsp fresh ginger, grated
- 1/4 cup low-sodium soy sauce: use tamari for a gluten-free version
- 1 cup beef broth
- 2 tbsp brown sugar, packed
- 1 tbsp rice vinegar
- 1 tsp toasted sesame oil
- 2 tbsp cornstarch, whisked with 2 tbsp cold water: for the slurry at the end
- Sliced green onions and toasted sesame seeds, for serving
Variations / Substitutions
- Swap the protein: boneless skinless chicken thighs work beautifully; cut the cook time to 2-3 hours on low until the chicken reaches 165°F.
- Dial up the heat: add 1-2 teaspoons of sriracha or a pinch of red pepper flakes with the soy sauce for a warm kick.
- Use honey instead of brown sugar: replace the brown sugar with an equal amount of honey for a slightly brighter sweetness.
- Make it gluten-free: use tamari in place of soy sauce and check that your broth is labeled gluten-free.
- Try a different vegetable mix: snow peas or baby bok choy added during the last 30 minutes bring a fresh crunch.
How to Make Crockpot Pepper Steak
Step 1: Brown the Beef Strips
Season the sliced beef with the 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper. Heat 1 tablespoon of the vegetable oil in a large skillet over medium-high heat until it shimmers. Working in two batches, add the beef in a single layer and let it sear undisturbed for about 2 minutes per side, until deeply browned. Transfer the browned beef to the slow cooker.
You are building layers of flavor here, not cooking the meat through. The skillet should leave a dark fond on the bottom that will loosen when you cook the vegetables next.
Step 2: Cook the Peppers and Onions
Turn the heat down to medium and add the remaining 1 tablespoon of oil to the same skillet. Toss in the sliced bell peppers and onion, and cook for about 5 minutes, stirring now and then, until they soften and the edges start to char. Stir in the minced garlic and grated ginger and cook just until fragrant, about 1 minute. Scrape the whole mixture, including any browned bits from the pan, into the slow cooker with the beef.
This step blooms the aromatics and gives the peppers a head start so they are not completely raw when the long cook begins.
Step 3: Braise in the Slow Cooker
Pour the 1/4 cup soy sauce, 1 cup beef broth, 2 tablespoons brown sugar, 1 tablespoon rice vinegar, and 1 teaspoon sesame oil right into the slow cooker. Give everything a gentle stir to distribute the liquid. Cover with the lid and cook on low for 6 to 7 hours, or on high for 3 to 4 hours, until you can easily shred a piece of beef with a fork.
About halfway through, the kitchen will smell like garlic and ginger mingling with the soy. That is your cue that things are on track.
Step 4: Thicken the Sauce and Serve Over Rice
Whisk together the 2 tablespoons cornstarch and 2 tablespoons cold water in a small bowl to form a smooth slurry. Stir the slurry into the slow cooker, then re-cover and cook on high for another 30 minutes, until the sauce coats the back of a spoon. Ladle the pepper steak over bowls of hot steamed rice, and finish with a sprinkle of sliced green onions and toasted sesame seeds.
Serve right away while the sauce is glossy and the peppers still have a little body.
Tips for Pepper Steak That Hits Every Time
- Sear in batches: crowding the pan steams the beef instead of browning it, so give each strip a little room and take the extra minute.
- Cut the beef against the grain for the most tender bite; look for the long muscle fibers and slice across them.
- For peppers that keep some snap, set aside a handful of sliced bell pepper and stir them in with the cornstarch slurry so they only cook during that final 30-minute window.
- If your sauce tastes flat at the end, a tiny splash of rice vinegar or an extra pinch of brown sugar balances it right out.
Cooking times by slow cooker setting:
| Setting | Time |
|---|---|
| Low | 6 to 7 hours |
| High | 3 to 4 hours |
Storing Leftovers
- Refrigerate: store pepper steak in an airtight container for up to 4 days. The flavors actually deepen overnight.
- Reheating: warm gently on the stovetop over medium-low heat or in the microwave, stirring a few times. Add a spoonful of water if the sauce thickened too much in the fridge.
What to Serve With Crockpot Pepper Steak
The classic pairing is steamed jasmine rice because it soaks up the savory sauce without competing. A quick cucumber salad dressed with rice vinegar and a pinch of sugar adds a cool, crisp contrast. For a vegetable side, blanch some broccoli and toss it with a drizzle of the pepper steak sauce right before serving.
Frequently Asked Questions
Can I use frozen bell peppers?
Yes, you can. Add them straight from frozen at the start, but they will be softer; if you want more texture, stir in a handful fresh during the last 30 minutes.
Can I double this recipe?
You sure can. Use a 6-quart or larger slow cooker so everything fits in an even layer, and sear the beef in three or four batches so the pan stays hot.
My beef did not get tender, what went wrong?
It likely needed more time. Chuck varies in marbling, and some pieces take the full 7 hours on low to fully relax. Give it another half hour and test again with a fork.
What if I do not have rice vinegar on hand?
Apple cider vinegar or a mild white wine vinegar will work in a pinch. Use the same amount and taste the sauce before serving; you may need a touch more.
Crockpot Pepper Steak Recipe
Ingredients
Method
- Season beef with salt and pepper. Heat 1 tbsp oil in a skillet over medium-high heat and brown beef in two batches, about 2 minutes per side, then transfer to slow cooker.
- Lower heat to medium, add remaining 1 tbsp oil, and cook bell peppers and onion 5 minutes until edges char. Stir in garlic and ginger 1 minute, then scrape into slow cooker.
- Add soy sauce, beef broth, brown sugar, rice vinegar, and sesame oil to slow cooker, stir, cover and cook on low 6-7 hours or high 3-4 hours until beef is tender.
- Stir in cornstarch slurry, cover, and cook on high 30 minutes until sauce thickens. Serve over rice with green onions and sesame seeds.
