Slow Cooker Steak Bites with Peppers & Onions
There’s something incredibly comforting about tender steak cooked low and slow with sweet bell peppers and onions. These Slow Cooker Steak Bites with Peppers & Onions are packed with savory flavor, require very little hands-on work, and make a delicious dinner for busy weeknights.
The steak is cut into bite-sized pieces and slowly cooked with onions, colorful bell peppers, garlic, beef broth, and simple seasonings. As everything cooks together, the vegetables become tender and flavorful while the steak absorbs all those rich, savory juices.
This recipe is especially convenient when you want a hearty homemade meal without spending a lot of time standing over the stove. You can prepare everything in the morning, let the slow cooker do the work, and come home to a kitchen filled with an irresistible aroma.
Serve these steak bites over mashed potatoes, rice, egg noodles, or cauliflower rice. They’re also delicious with crusty bread for soaking up the flavorful gravy.
🥩 Ingredients
2 pounds beef sirloin steak or stew-style steak, cut into bite-sized pieces
1 large yellow onion, sliced
2 bell peppers, sliced
3 cloves garlic, minced
1 ½ cups beef broth
2 tablespoons Worcestershire sauce
1 tablespoon soy sauce
1 tablespoon tomato paste
1 teaspoon smoked paprika
1 teaspoon Italian seasoning
½ teaspoon onion powder
½ teaspoon black pepper
½ teaspoon salt, or to taste
2 tablespoons butter
2 tablespoons cornstarch
3 tablespoons cold water
2 tablespoons chopped fresh parsley, optional
🍳 Instructions
1. Prepare the Steak
Pat the steak pieces dry with paper towels. Cut the beef into fairly even bite-sized pieces so they cook consistently.
For an extra-rich flavor, you can quickly sear the steak in a hot skillet with a little oil before adding it to the slow cooker. This step is optional, but browning creates a deeper, more savory flavor.
2. Add the Vegetables
Place the sliced onions and bell peppers into the bottom of the slow cooker. Add the minced garlic over the vegetables.
You can use a combination of red, green, yellow, or orange bell peppers. Using different colors makes the finished dish especially beautiful.
3. Add the Steak
Place the steak bites on top of the peppers and onions.
Add the butter, then sprinkle the beef with smoked paprika, Italian seasoning, onion powder, black pepper, and salt.
4. Make the Cooking Sauce
In a small bowl, whisk together the beef broth, Worcestershire sauce, soy sauce, and tomato paste.
Pour the mixture over the steak and vegetables. Give everything a gentle stir so the seasonings and sauce are distributed evenly.
5. Slow Cook
Cover and cook on LOW for 5–7 hours or until the beef is tender.
Cooking time can vary depending on the cut and size of your steak pieces. Avoid repeatedly opening the lid because this allows heat to escape and can increase cooking time.
6. Thicken the Sauce
About 15–20 minutes before serving, mix the cornstarch with cold water until smooth.
Stir the cornstarch slurry into the slow cooker. Cover again and cook on HIGH for about 15–20 minutes, or until the sauce thickens into a delicious gravy.
Taste and adjust the salt and pepper if needed.
7. Serve
Spoon the tender steak bites, peppers, onions, and gravy over mashed potatoes, rice, noodles, or cauliflower rice.
Finish with freshly chopped parsley for a little color and freshness.
💡 Helpful Tips
Choose the right beef: Sirloin works beautifully, but chuck steak or another slow-cooking beef cut can also be used. Tougher cuts may require additional cooking time to become tender.
Don’t skip the searing if you have time: Browning the steak first adds another layer of flavor and gives the finished dish a richer taste.
Keep the vegetables chunky: Slice the peppers and onions thick enough that they retain some texture after several hours of cooking.
Control the gravy thickness: If you prefer a thinner sauce, use less cornstarch. For a thicker gravy, add a little more slurry gradually.
Add mushrooms: Sliced mushrooms are a wonderful addition and pair naturally with steak, onions, and gravy.
Make it spicy: Add red pepper flakes or a pinch of cayenne for some heat.
🍽️ What to Serve With Steak Bites
These steak bites are incredibly versatile. Try serving them with:
Creamy mashed potatoes
Steamed white or brown rice
Buttered egg noodles
Roasted potatoes
Cauliflower mash
Steamed green beans
Roasted broccoli
Crusty dinner rolls
The rich gravy makes almost any simple side dish taste special.
❤️ Final Thoughts
These Slow Cooker Steak Bites with Peppers & Onions are the kind of comforting dinner that feels like a family favorite from the very first bite. Tender beef, sweet peppers, savory onions, and rich gravy come together in one easy slow-cooker meal.
It’s simple enough for a busy weekday but satisfying enough for a cozy weekend dinner. Put everything into the slow cooker, let it simmer away, and enjoy a hearty homemade meal with minimal effort.
