Let’s tuck in and & enjoy every bite ????

Photo of author

By Klara Richter

Published: Jan 9, 2026

This post may contain affiliate links. See our disclosure policy.

Crock Pot Pepper Steak

Imagine coming home to tender beef and colorful bell peppers simmered in a savory sauce that fills your kitchen with mouthwatering aromas.

This classic slow cooker meal delivers maximum flavor with minimal effort, making it perfect for busy weeknights or lazy weekends.

With just fifteen minutes of prep time, you’ll create a satisfying dish that tastes like you spent hours in the kitchen. The slow cooking process transforms inexpensive sirloin into melt-in-your-mouth perfection while blending sweet onions and crisp peppers with rich umami flavors.

Whether you serve it over rice, noodles, or potatoes, this hearty recipe guarantees clean plates and happy smiles around your dinner table.

Why You’ll Love This Pepper Steak

Three key reasons make this crockpot pepper steak stand out from other slow cooker recipes. First, the cooking method ensures juicy results every time since the low heat prevents the beef from drying out.

Additionally, the sauce ingredients caramelize beautifully as they simmer, creating complex layers of flavor. Finally, you can customize the dish easily by adjusting spice levels or adding extra vegetables based on what’s in your fridge.

Busy Cook Approved

Unlike stove-top stir fries that demand constant attention, this hands-off approach lets you focus on other tasks. Simply layer the ingredients in your crockpot before work or errands and return to a ready-to-serve dinner.

Nutrient-Rich Meal

Colorful bell peppers provide vitamin C while lean sirloin delivers high-quality protein. This balance makes the dish both satisfying and nutritious, especially when served over fiber-rich whole grains or paired with fresh vegetable sides.

Budget-Friendly Protein

Sirloin remains one of the most affordable beef cuts for slow cooking. The lengthy cook time tenderizes tougher fibers, yielding fork-tender results without premium steak prices.

Recipe

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Crock Pot Pepper Steak


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: klara Richter
  • Total Time: 6 hr 10 min
  • Yield: 6 servings 1x

Description

Tender beef sirloin simmered with bell peppers in a savory sauce, made effortlessly in your slow cooker.


Ingredients

Scale
  • 2 lbs beef sirloin strips (907 g) (or sirloin steak cut into slices)
  • 3 large colorful bell peppers (sliced thick) (about 675 g)
  • 1 large onion (sliced) (150 g)
  • 3 garlic cloves (minced) (15 g)
  • 3/4 cup beef broth (180 ml)
  • 3 beef bouillon cubes (15 g)
  • 1/4 cup soy sauce (60 ml)
  • 2 tsp seasoning sauce (10 ml)
  • 2 tbsp honey (30 ml)
  • 1 tsp ground ginger (5 g)
  • 1/2 tsp black pepper (2 g)
  • 1/2 tsp salt (2 g)
  • 2 tbsp cornstarch (or flour) (16 g)

Instructions

  1. Make the sauce. Combine hot beef broth, bouillon cubes, soy sauce, seasoning sauce, honey, ground ginger, black pepper, salt and cornstarch/flour in a mixing glass. Stir well, crushing the bouillon cubes.
  2. Place beef strips into the slow cooker. Pour sauce on top. Add peppers, onions and garlic on top of the beef.
  3. Set to LOW for 6 hours or HIGH for 3 hours. If possible, stir the ingredients halfway through.
  4. When finished, stir well and transfer to a serving dish. Serve over rice or noodles or as a side with mashed or baked potatoes.

Notes

  • For thicker sauce, mix 1 additional tablespoon cornstarch with cold water and stir in during last 30 minutes of cooking.
  • Freeze leftovers in airtight containers for up to 2 months.
  • Replace soy sauce with tamari for gluten-free version.
  • Prep Time: 10 min
  • Cook Time: 6 hr
  • Category: Main Course
  • Method: Baked
  • Cuisine: American

Nutrition

  • Calories: 267 kcal
  • Sugar: 11 g
  • Sodium: 1229 mg
  • Fat: 5 g
  • Carbohydrates: 18 g
  • Fiber: 2 g
  • Protein: 36 g

Ingredients and Substitutions

This flexible recipe adapts well to pantry substitutions and dietary preferences. Below are key components and alternatives:

Beef Selection

Sirloin strips work best, but flank steak or chuck roast sliced thinly against the grain also performs well. For vegetarian versions, substitute sliced portobello mushrooms or extra-firm tofu.

Vegetable Swaps

While multicolored bell peppers offer sweetness and crunch, consider adding zucchini or snap peas during the last hour of cooking. For those who enjoy heartier vegetable dishes, lentils or root vegetables make excellent additions.

Sauce Adjustments

Replace honey with maple syrup or brown sugar if needed. Use tamari instead of soy sauce for gluten-free diets, and swap cornstarch with arrowroot powder for cleaner thickening.

How to Make Crock Pot Pepper Steak

Follow these simple steps for flawless results every time:

Step 1: Prep the Sauce

Whisk together beef broth, bouillon cubes, soy sauce, seasoning sauce, honey, ginger, pepper, salt, and cornstarch in a heatproof measuring cup until smooth. Ensure the bouillon dissolves completely for even flavor distribution.

Step 2: Layering Ingredients

Place beef strips in the slow cooker first, followed by the sauce. Top with peppers, onions, and minced garlic. Avoid stirring at this stage to maintain distinct layers that cook properly.

Step 3: Cooking Process

Cover and cook on low for six hours or high for three. Stir halfway through if possible – but don’t worry if time doesn’t permit. The long cook time ensures everything blends beautifully regardless.

Step 4: Final Touches

Give the mixture a thorough stir before serving to distribute the thickened sauce. Taste and adjust seasoning if needed, adding a pinch more ginger or black pepper to brighten flavors.

Pro Tips for Success

Implement these expert techniques to elevate your pepper steak:

Brown the Beef First

For deeper flavor, quickly sear beef strips in a hot skillet before adding them to the slow cooker. This caramelizes the meat’s surface and locks in juices.

Vegetable Timing

If using delicate veggies like broccoli or snow peas, add them during the final thirty minutes to retain texture and color. This prevents mushiness while keeping nutrients intact.

Thickening Options

If your sauce seems thin after cooking, mix one additional tablespoon of cornstarch with cold water and stir it in. Let the dish cook uncovered for fifteen more minutes to reach ideal consistency.

Flavor Variations

Experiment with these tasty twists to keep the recipe exciting:

Spicy Kick

Add one teaspoon of red pepper flakes or sriracha to the sauce mixture. Top servings with sliced jalapeños for those who enjoy extra heat at the table.

Asian Fusion

Swap beef broth with mushroom broth and add two tablespoons of hoisin sauce plus one teaspoon sesame oil. Serve over rice noodles with bok choy for restaurant-quality results.

Tropical Twist

Stir in one cup diced pineapple during the last hour. The fruit’s acidity balances the savory sauce while adding Vitamin C boosts.

Serving Suggestions

While delicious alone, these accompaniments make your pepper steak shine:

  • Fluffy jasmine rice or cauliflower rice for low-carb diets
  • Crusty whole-grain bread to soak up extra sauce
  • Simple cucumber salad with rice vinegar dressing
  • Steamed green beans tossed with toasted almonds

Storage and Freezing Instructions

Store leftovers in airtight containers for up to four days in the refrigerator. Reheat gently on the stove or microwave with a splash of broth to refresh the sauce.

For freezing, portion cooled steak mixture into freezer bags, removing excess air. Thaw overnight before reheating. Freezing may slightly soften pepper texture but preserves flavors beautifully for two months.

Nutrition Facts per Serving

CaloriesFatCarbsProteinFiberSugarSodium
267 kcal5 g18 g36 g2 g11 g1229 mg

FAQs About Crock Pot Pepper Steak

Can I use frozen beef?

While fresh beef yields better texture, you can use frozen strips in a pinch. Increase cook time by one hour and ensure the meat reaches 165°F internally before serving.

What if I don’t have bouillon cubes?

Substitute cubes with one tablespoon of beef base paste or simply use reduced-sodium broth and add an extra teaspoon soy sauce for depth.

How do I prevent rubbery peppers?

Slice peppers thickly (at least 1/2-inch pieces) and position them atop the beef. This reduces direct contact with liquid, preserving their pleasing crunch.

Is this recipe gluten-free adaptable?

Absolutely! Use tamari instead of soy sauce and ensure your bouillon and seasonings are certified gluten-free. Substitute cornstarch with arrowroot powder if desired.

Can I cook this faster than three hours on high?

Not recommended. Quicker cooking toughens the beef rather than tenderizing it. For time-crunched days, prep ingredients overnight and start your slow cooker in the morning.

Final Thoughts

This crock pot pepper steak recipe delivers restaurant-quality taste with home-kitchen simplicity. Its balanced combination of protein and vegetables makes it both filling and nutritious, while the hands-off cooking approach frees up valuable time.

Whether you’re cooking for picky eaters or adventurous diners, you can customize the flavors to suit any palette.

The tender beef, vibrant peppers, and savory-sweet sauce create a delightful meal that improves as leftovers, making it perfect for meal prepping. Stick with our pro tips and variations to make this recipe your family’s new favorite slow-cooked comfort food.

Share the recipe on

Leave a Comment

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star