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Slow Cooker Garlic Butter Steak Bites with Potatoes

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By Diane Patterson • March 11th, 2026
Golden slow cooker garlic butter steak bites with tender baby potatoes glazed in rich buttery sauce Save
Golden slow cooker garlic butter steak bites with tender baby potatoes glazed in rich buttery sauce | dianerecipes.com

Transform sirloin steak and baby potatoes into a melt-in-your-mouth meal with minimal effort. The slow cooker tenderizes the beef while infusing every bite with aromatic garlic butter, smoked paprika, and herbs. After searing the steak cubes for depth of flavor, simply layer everything in your slow cooker and let it work its magic for 3.5 to 4 hours. The result is fall-apart tender meat and perfectly cooked potatoes swimming in a savory, buttery sauce that's perfect over steamed vegetables or fresh green salad.

My tiny apartment smelled like a steakhouse for three solid hours when I first tried this. The butter and garlic work their way into everything while you go about your day. Now it is my go-to when I want people to think I have been cooking all afternoon.

Last winter my neighbor knocked on my door because she could smell the garlic butter through the walls. I ended up sharing a bowl with her while we stood in the hallway. Sometimes food builds community whether you plan it or not.

Ingredients

  • Sirloin steak: Cubing this yourself saves money and lets you trim any excess fat
  • Baby potatoes: These hold their shape beautifully during long cooking
  • Unsalted butter: Melting this first helps all the garlic and herbs distribute evenly
  • Fresh garlic: Six cloves might feel excessive but slow cooking mellows the bite
  • Smoked paprika: Adds a subtle depth that makes the flavor feel more complex
  • Fresh parsley: The bright green at the end makes everything look intentional

Instructions

Sear the steak:
Get that skillet ripping hot and work in batches so each piece gets proper contact with the pan
Load the slow cooker:
Drop in those seared beauties along with your potatoes and onion
Whisk the sauce:
Combine melted butter with garlic, salt, pepper, smoked paprika, thyme, rosemary and red pepper flakes
Pour and coat:
Drizzle that garlic butter all over everything and give it a gentle stir
Set it and forget it:
Cook on LOW for 3.5 to 4 hours until the potatoes yield to a fork
Finish with flourish:
Taste and adjust the seasoning then scatter parsley over the top
Hearty garlic butter steak bites and baby potatoes slow cooked to perfection in a creamy garlic herb butter Save
Hearty garlic butter steak bites and baby potatoes slow cooked to perfection in a creamy garlic herb butter | dianerecipes.com

This became the meal my sister requests every time she visits. She claims she can taste the difference between my version and any other steak she has had. That kind of compliment means more than she probably knows.

Make It Your Own

Yukon Gold or red potatoes work perfectly if baby potatoes are not available. A splash of beef broth before cooking adds richness without overpowering the dish.

Serving Suggestions

A crisp green salad cuts through all that butter beautifully. Steamed green beans or roasted broccoli also round out the meal nicely.

Make Ahead Magic

The flavor actually gets better after a night in the refrigerator. The garlic permeates deeper into every bite.

  • Cut everything the night before and store in separate containers
  • Mix your spice blend in advance to save time
  • This reheats beautifully for lunch the next day
Tender steak bites and halved baby potatoes smothered in savory garlic butter sauce, garnished with fresh parsley Save
Tender steak bites and halved baby potatoes smothered in savory garlic butter sauce, garnished with fresh parsley | dianerecipes.com

There is something deeply satisfying about a meal that delivers this much comfort with so little active effort.

Recipe FAQ

While sirloin works beautifully, you can substitute ribeye, chuck roast, or tenderloin. Chuck roast becomes incredibly tender but may require an additional hour of cooking time.

Searing creates depth of flavor and texture, but you can skip this step. Place raw steak cubes directly in the slow cooker for an even simpler approach.

Yes, cook on HIGH for 2 to 2.5 hours. Check at the 2-hour mark to prevent overcooking the steak.

Steamed green beans, roasted asparagus, or a crisp garden salad complement the rich flavors beautifully. Crusty bread also helps soak up the garlic butter sauce.

Refrigerate in an airtight container for up to 4 days. Reheat gently on the stovetop or microwave, adding a splash of beef broth if the sauce thickens.

Substitute the butter with olive oil or vegan butter alternative. The garlic and herbs still provide plenty of flavor.

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Golden slow cooker garlic butter steak bites with tender baby potatoes glazed in rich buttery sauce
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Slow Cooker Garlic Butter Steak Bites with Potatoes

Tender steak bites and baby potatoes slow-cooked in rich garlic butter sauce for an effortless, comforting meal.

Prep 15m
Cook 210m
Total 225m
Servings 4
Difficulty Easy

Ingredients

Meats

  • 1.5 lbs sirloin steak, cut into 1-inch cubes

Vegetables

  • 1.5 lbs baby potatoes, halved or quartered if large
  • 1 small yellow onion, diced
  • 2 tablespoons fresh parsley, chopped for garnish

Fats & Dairy

  • 5 tablespoons unsalted butter, melted

Aromatics & Seasonings

  • 6 cloves garlic, minced
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon dried thyme
  • 1/2 teaspoon dried rosemary
  • 1/4 teaspoon crushed red pepper flakes, optional

Other

  • 2 tablespoons olive oil

Instructions

1
Sear the Steak: Heat olive oil in a large skillet over medium-high heat. Sear steak cubes for 1-2 minutes until browned on all sides, working in batches to avoid overcrowding the pan. Transfer seared meat to the slow cooker.
2
Add Vegetables: Place halved baby potatoes and diced onion into the slow cooker with the seared steak.
3
Prepare Garlic Butter Sauce: In a small bowl, whisk together melted butter, minced garlic, salt, black pepper, smoked paprika, dried thyme, dried rosemary, and crushed red pepper flakes if using.
4
Combine and Season: Pour the garlic butter mixture evenly over the steak and potatoes. Stir gently to coat everything thoroughly with the seasoning blend.
5
Slow Cook: Cover and cook on LOW setting for 3.5 to 4 hours, or until potatoes are fork-tender and steak reaches desired doneness.
6
Finish and Serve: Taste the dish and adjust seasoning with additional salt or pepper if needed. Garnish generously with chopped fresh parsley just before serving.
Additional Information

Equipment Needed

  • Slow cooker, 4-quart capacity or larger
  • Large skillet
  • Small mixing bowl
  • Chef's knife and cutting board
  • Spoon or spatula for stirring

Nutrition (Per Serving)

Calories 470
Protein 32g
Carbs 28g
Fat 25g

Allergy Information

  • Contains dairy from butter. Ensure all seasonings and butter are certified gluten-free if required for celiac safety.
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Diane Patterson

Passionate home cook sharing easy, flavorful recipes, meal prep tips, and comfort food favorites for everyday kitchens.