Crockpot Beef Pepper Steak: Quick Weeknight Dinner

Let me tell you about the weeknight dinner that saved my sanity. After a long day of school runs, after-school activities, and squeezing in a bit of work, the last thing I want is a sink full of pots and pans. I need dinner on the table with hardly any fuss. That’s where this Crockpot Beef Pepper Steak comes in. Friends always ask me for this recipe after trying it at dinner parties, but the truth is, it’s the ultimate secret weapon for a Tuesday night. It’s a proper, hearty meal that tastes like it took hours of stirring, when really, the slow cooker does all the heavy lifting.

Recipe Overview

• Prep time: 15 minutes
• Cook time: 6 hours on low or 4 hours on high
• Total time: 6 hours 15 minutes
• Servings: 4-6
• Difficulty: Easy

Why You’ll Love This Crockpot Beef Pepper Steak

• Minimal Hands-On Time: You spend about 15 minutes browning the beef, then the slow cooker takes over. No standing over a hot hob, much like our Crockpot Turkey Vegetable Soup Set It and Forget It Dinner.
• One-Pot Cleanup: Aside from the frying pan for browning, everything else goes into one crockpot. That means fewer dishes to scrub after dinner.
• Make-Ahead Friendly: You can prep the vegetables and slice the beef the night before. In the morning, just sear the meat and toss everything in the pot.
• Budget-Friendly Cut of Beef: This recipe uses braising steak, which is much cheaper than fillet or sirloin. Slow cooking transforms it into fork-tender perfection.
• Family-Approved Flavour: The rich, savoury sauce with sweet bell peppers is a hit with kids and adults alike. It’s familiar, satisfying, and never boring.

Crockpot Beef Pepper Steak

15 min prep  ·  370 min cook  ·  4 servings

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Ingredients You’ll Need

• 700g braising steak, cut into thin strips
• 2 tbsp plain flour
• 1 tsp black pepper
• 1 tsp salt
• 2 tbsp vegetable oil
• 1 large onion, sliced
• 3 cloves garlic, minced
• 2 red bell peppers, sliced into strips
• 2 green bell peppers, sliced into strips
• 400ml beef stock
• 2 tbsp tomato purée
• 2 tbsp soy sauce
• 1 tbsp Worcestershire sauce (ensure it’s halal-certified)
• 1 tsp smoked paprika
• 1 tsp dried thyme
• 2 tbsp cornflour mixed with 3 tbsp cold water (slurry)

Tip: For the most tender beef, look for a cut like chuck or blade steak. These have a bit of marbling that breaks down beautifully during the long cook. Slice the beef against the grain for the best texture.

How to Make Crockpot Beef Pepper Steak

1. Sear the beef: In a large frying pan, heat the vegetable oil over a high heat. Toss the beef strips in the flour, salt, and pepper until well coated. Working in batches, add the beef to the hot pan. You should hear a satisfying sizzle. Cook for 2-3 minutes per side until the beef is a deep, rich brown colour. The flour will create a lovely crust. Do not overcrowd the pan, or the beef will steam rather than brown.
2. Sweat the aromatics: Reduce the heat to medium. Add the sliced onion to the same pan. Cook for 3-4 minutes, stirring occasionally, until the onion turns translucent and softens. You’ll notice the smell become sweet and savoury. Add the minced garlic and cook for another 30 seconds until fragrant.
3. Build the sauce: Pour the beef stock into the pan, scraping the bottom with a wooden spoon to lift any browned bits. This is where all the flavour lives. Stir in the tomato purée, soy sauce, Worcestershire sauce, smoked paprika, and dried thyme. Bring the mixture to a gentle simmer. The colour should turn a deep, inviting red-brown.
4. Combine in the slow cooker: Transfer the browned beef to the crockpot. Pour the hot sauce and onion mixture over the beef. Add the sliced red and green bell peppers on top. Do not stir them in yet; leaving them on top helps them stay slightly firm during cooking.
5. Slow cook: Cover the crockpot with the lid. Cook on low for 6 hours or on high for 4 hours. After 3 hours on low, the beef should be tender enough to pull apart with a fork. The peppers will have softened but still hold their shape. The kitchen will smell absolutely incredible.
6. Thicken the sauce: About 20 minutes before serving, remove the lid. Stir the cornflour slurry until smooth, then pour it into the crockpot while stirring gently. You’ll see the sauce begin to thicken almost immediately, turning glossy and coating the back of a spoon. Let it cook uncovered for the final 15-20 minutes to reach your desired consistency.
7. Rest and serve: Turn off the slow cooker. Let the beef pepper steak sit for 5 minutes before serving. This allows the sauce to settle and the flavours to meld. The texture should be velvety and rich.

Tips From My Kitchen

• Don’t skip the browning: This is the most important step for flavour. The Maillard reaction that happens when you sear the beef creates deep, savoury notes that you simply cannot get from the slow cooker alone. It takes just a few minutes but makes a world of difference.
• Slice the beef while it’s slightly frozen: Braising steak can be slippery and tricky to cut into thin strips. If you pop it in the freezer for 20-30 minutes before slicing, it firms up just enough to make clean, even strips. This ensures the pieces cook uniformly.
• Add peppers later for crunch: If you prefer your bell peppers with a bit of bite, add them halfway through the cooking time instead of at the beginning. This is a great trick for families who like different textures. I often add half at the start and half later.
• Use a liner for zero cleanup: For the ultimate minimal-cleanup experience, line your crockpot with a slow cooker liner before adding ingredients. When dinner is done, just lift out the liner and throw it away. Your crockpot will be spotless.
• Make it a freezer meal: You can assemble the raw, seared beef, sauce, and peppers in a freezer bag and freeze for up to 3 months. On the morning you want to cook it, just tip the frozen contents into the slow cooker and add an extra 30 minutes to the cooking time. I’ve been making this for over 7 years, and it never disappoints, especially from frozen.
• Double the sauce: If you love lots of gravy to spoon over rice or noodles, increase the beef stock to 600ml and the tomato purée to 3 tablespoons. You may need an extra tablespoon of cornflour for thickening. It’s a simple way to stretch the meal further.

Equipment You’ll Need

• Large frying pan or skillet
• Wooden spoon or silicone spatula
• Sharp knife and chopping board
• Measuring spoons and jug
• Small bowl for cornflour slurry
• Slow cooker (4-6 litre capacity)

Common Mistakes to Avoid

• Overcrowding the pan when browning: If you pile all the beef into the pan at once, it releases steam instead of browning. The meat will turn grey and tough. Always work in batches, leaving space between each piece. The sizzle should be loud and vigorous.
• Wrong temperature setting: Cooking on high for too short a time can leave the beef chewy. For the most tender result, always cook on low. If you’re in a rush, high for 4 hours works, but low for 6-7 hours is far superior. The connective tissue needs time to break down.
• Skipping the rest time: I know it’s tempting to serve straight away, but letting the dish sit for 5 minutes after cooking allows the sauce to thicken slightly and the flavours to meld. It also prevents the beef from falling apart when you spoon it out.

Delicious Variations to Try

• Spicy Version: For those who like heat, add 1-2 finely chopped red chillies with the garlic, or stir in a teaspoon of chilli flakes. A dash of hot sauce at the end also works wonders. The sweetness of the peppers balances the spice beautifully.
• Vegetarian/Vegan Option: Replace the beef with thick slices of portobello mushrooms or a block of firm tofu, pressed and cubed. Use vegetable stock instead of beef stock, and swap the Worcestershire sauce for a vegan-friendly version. The cooking time reduces to 3-4 hours on low.
• Different Protein: This recipe works brilliantly with chicken thighs or turkey strips. For chicken, cook on low for 4-5 hours. For a lighter option, try it with strips of lean beef rump, but reduce the cooking time to 3-4 hours on low to avoid drying out.

What to Serve With Crockpot Beef Pepper Steak

• Steamed jasmine rice or basmati rice to soak up the rich sauce.
• Egg noodles or udon noodles for a heartier meal.
• Buttered green beans or a simple side salad for a fresh contrast.
• Crusty bread or garlic bread for dipping into the gravy.
• For a lighter option, serve it over cauliflower rice or quinoa.

Still hungry for ideas? You might also love Healthy Crockpot Beef Ragu Recipe, Crockpot Beef And Broccoli Recipe For Dinner from our sister kitchens.

Frequently Asked Questions

Crockpot Beef Pepper Steak

Tender braising steak slow-cooked with colorful bell peppers in a rich, savory sauce. A comforting and easy one-pot meal that fills your kitchen with incredible aroma.

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Prep Time 15 minutes mins

Cook Time 6 hours hrs 10 minutes mins

Total Time 6 hours hrs 25 minutes mins

Servings: 4 servings

Course: Main Course

Cuisine: American

Calories: 350

Ingredients
Method
Notes

Ingredients

  

• 700 g braising steak cut into thin strips
• 2 tbsp plain flour
• 1 tsp black pepper
• 1 tsp salt
• 2 tbsp vegetable oil
• 1 large onion sliced
• 3 cloves garlic minced
• 2 red bell peppers sliced into strips
• 2 green bell peppers sliced into strips
• 400 ml beef stock
• 2 tbsp tomato purée
• 2 tbsp soy sauce
• 1 tbsp Worcestershire sauce ensure it’s halal-certified
• 1 tsp smoked paprika
• 1 tsp dried thyme
• 2 tbsp cornflour mixed with 3 tbsp cold water slurry

Method

 

1. Sear the beef: In a large frying pan, heat the vegetable oil over a high heat. Toss the beef strips in the flour, salt, and pepper until well coated. Working in batches, add the beef to the hot pan. You should hear a satisfying sizzle. Cook for 2-3 minutes per side until the beef is a deep, rich brown colour. The flour will create a lovely crust. Do not overcrowd the pan, or the beef will steam rather than brown.
2. Sweat the aromatics: Reduce the heat to medium. Add the sliced onion to the same pan. Cook for 3-4 minutes, stirring occasionally, until the onion turns translucent and softens. You’ll notice the smell become sweet and savoury. Add the minced garlic and cook for another 30 seconds until fragrant.
3. Build the sauce: Pour the beef stock into the pan, scraping the bottom with a wooden spoon to lift any browned bits. This is where all the flavour lives. Stir in the tomato purée, soy sauce, Worcestershire sauce, smoked paprika, and dried thyme. Bring the mixture to a gentle simmer. The colour should turn a deep, inviting red-brown.
4. Combine in the slow cooker: Transfer the browned beef to the crockpot. Pour the hot sauce and onion mixture over the beef. Add the sliced red and green bell peppers on top. Do not stir them in yet; leaving them on top helps them stay slightly firm during cooking.
5. Slow cook: Cover the crockpot with the lid. Cook on low for 6 hours or on high for 4 hours. After 3 hours on low, the beef should be tender enough to pull apart with a fork. The peppers will have softened but still hold their shape. The kitchen will smell absolutely incredible.
6. Thicken the sauce: About 20 minutes before serving, remove the lid. Stir the cornflour slurry until smooth, then pour it into the crockpot while stirring gently. You’ll see the sauce begin to thicken almost immediately, turning glossy and coating the back of a spoon. Let it cook uncovered for the final 15-20 minutes to reach your desired consistency.
7. Rest and serve: Turn off the slow cooker. Let the beef pepper steak sit for 5 minutes before serving. This allows the sauce to settle and the flavours to meld. The texture should be velvety and rich.

Notes

For best results, do not overcrowd the pan when searing the beef. Ensure Worcestershire sauce is halal-certified if required. The peppers are placed on top of the beef in the slow cooker to retain some texture.

I hope this Crockpot Beef Pepper Steak becomes a staple in your weeknight rotation as much as it is in mine. It’s one of those meals that feels like a hug in a bowl, without the stress of a complicated recipe. If you give it a go, I’d love to hear how it turned out. Drop a comment below and let me know what you served it with, or if you tried any of the variations. Happy slow cooking! For another one-pot wonder that’s perfect for busy evenings, check out my Classic Beef Chili Mac One Pot. And if you’re after a lighter, fresh option for lunch, you might enjoy this Crispy Chicken Strawberry Spinach Salad.

Crockpot Beef Pepper Steak: Quick Weeknight Dinner

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