These tender slow cooker hamburger steaks with peppers, onions, and rich brown gravy are an easy comfort-food dinner. Serve over mashed potatoes or rice!
Slow Cooker Hamburger Steaks with Peppers and Onion Gravy
If you love a good old-fashioned hamburger steak dinner, this slow cooker version is one you’ll want to keep around. The beef patties slowly cook in a rich, savory gravy with sweet onions and colorful bell peppers until everything is tender and full of flavor.
I usually make this kind of meal when I’m craving something hearty but don’t want to spend the whole evening standing over the stove. Honestly, the slow cooker does most of the work here. Once everything is layered in, you can let it simmer away while the kitchen starts smelling absolutely amazing.
And that gravy? Don’t waste a drop of it! Spoon it over mashed potatoes, rice, or egg noodles and you’ve got the ultimate cozy dinner.
Ingredients
For the Hamburger Steaks
- 1½ lbs ground beef, preferably 80–85% lean
- ½ cup breadcrumbs
- 1 large egg
- ½ small onion, finely diced
- 2 cloves garlic, minced
- 1 tablespoon Worcestershire sauce
- 1 teaspoon onion powder
- 1 teaspoon garlic powder
- 1 teaspoon paprika
- ½ teaspoon salt
- ½ teaspoon black pepper
- 1 tablespoon olive oil, for browning
For the Peppers, Onions & Gravy
- 1 medium yellow onion, sliced
- 1 green bell pepper, sliced
- 1 red bell pepper, sliced
- 1 yellow or orange bell pepper, sliced
- 2 cloves garlic, minced
- 2 cups beef broth
- 1 tablespoon Worcestershire sauce
- 1 tablespoon soy sauce
- 1 teaspoon Dijon mustard
- 1 teaspoon Italian seasoning
- 2 tablespoons cornstarch
- 3 tablespoons cold water
- Salt and black pepper, to taste
How to Make Slow Cooker Hamburger Steaks
1. Make the Beef Patties
Add the ground beef, breadcrumbs, egg, diced onion, minced garlic, Worcestershire sauce, onion powder, garlic powder, paprika, salt, and black pepper to a large bowl.
Gently mix everything together until combined.
Try not to overwork the meat. I usually mix just until everything comes together because that keeps the hamburger steaks nice and tender.
Shape the mixture into 4–6 oval patties, depending on the size you prefer.
2. Brown the Hamburger Steaks
Heat the olive oil in a large skillet over medium-high heat.
Add the patties and brown them for about 2–3 minutes per side.
They don’t need to be fully cooked at this point. We’re just looking for a beautiful browned crust.
Transfer the browned patties to the slow cooker.
Honestly, don’t skip this step if you have the time. That browning adds so much flavor to the finished dish.
3. Cook the Peppers and Onions
Using the same skillet, add the sliced onion and bell peppers.
Cook for about 3–5 minutes, stirring occasionally, until they start to soften.
Add the minced garlic and cook for another 30 seconds.
Transfer the vegetables to the slow cooker and arrange them around and over the hamburger steaks.
4. Make the Gravy
In a bowl, whisk together:
- Beef broth
- Worcestershire sauce
- Soy sauce
- Dijon mustard
- Italian seasoning
Pour the mixture over the hamburger steaks, onions, and peppers.
Give everything a gentle stir around the sides, being careful not to break up the patties.
5. Slow Cook
Cover the slow cooker with the lid.
Cook on:
LOW: 5–6 hours
HIGH: 2½–3½ hours
The hamburger steaks should be cooked through and tender, while the onions and peppers become soft and flavorful.
6. Thicken the Gravy
About 15–20 minutes before serving, remove the hamburger steaks carefully and place them on a plate.
In a small bowl, mix the cornstarch with cold water until completely smooth.
Stir the cornstarch slurry into the gravy in the slow cooker.
Return the hamburger steaks to the slow cooker, cover, and cook on HIGH for another 15–20 minutes, or until the gravy has thickened.
Taste and add additional salt or pepper if needed.
Cooking Tips
Don’t overmix the beef
Overworking the ground beef can result in tough hamburger steaks. Mix everything gently.
Brown the patties first
This creates a delicious crust and adds extra depth to the gravy.
Use colorful peppers
Green, red, and yellow peppers make this dish look beautiful and add slightly different flavors.
Don’t make the gravy too thick initially
The slow cooker releases juices while cooking. It’s better to thicken the gravy toward the end.
Make extra gravy
I usually make sure there’s plenty because mashed potatoes practically demand a generous spoonful of this gravy!
Check the beef
Ground beef should be cooked to a safe internal temperature. A food thermometer is the easiest way to check.
What to Serve with Hamburger Steaks
This is one of those dinners where the side dishes are almost as important as the main course!
I especially recommend:
- Creamy mashed potatoes
- Buttered egg noodles
- Steamed white rice
- Roasted potatoes
- Green beans
- Steamed broccoli
- Corn
- Dinner rolls
- Roasted carrots
My favorite combination: hamburger steak + mashed potatoes + plenty of pepper-and-onion gravy. So simple and so good!
Approximate Nutrition Information
Per serving, assuming 6 servings:
- Calories: 390–430
- Protein: 27–30g
- Carbohydrates: 15–18g
- Fat: 24–27g
- Saturated Fat: 8–10g
- Fiber: 2–3g
- Sugar: 4–6g
- Sodium: 700–900mg
Nutrition information is an estimate and will vary depending on the ground beef, broth, sauces, and serving size.
Frequently Asked Questions
1. Can I make hamburger steaks without browning them first?
Yes. You can place the raw patties directly into the slow cooker, but browning them first gives them a much richer flavor and better texture.
2. Can I use frozen hamburger patties?
Freshly made patties are best for this recipe. If using frozen beef, make sure it is handled and cooked safely rather than relying on the slow cooker to thaw it gradually.
3. Can I use only green peppers?
Absolutely. I love the combination of colorful peppers, but green bell peppers alone work perfectly.
4. How can I make the gravy thicker?
The easiest method is to use the cornstarch slurry at the end. Mix 2 tablespoons cornstarch with 3 tablespoons cold water, stir it into the hot gravy, and cook until thickened.
5. How do I store leftovers?
Allow the hamburger steaks and gravy to cool, then place them in an airtight container and refrigerate for 3–4 days. Reheat gently until hot throughout.
Final Thoughts
These Slow Cooker Hamburger Steaks with Peppers, Onions & Gravy are the definition of comfort food.
You’ve got juicy beef patties, tender peppers and onions, and a rich gravy that brings everything together. I usually serve mine over mashed potatoes, but rice or noodles work just as well.

