Slow Cooker Garlic Butter Steak Bites are a perfect fix-it-and-forget-it meal. Tender, juicy steak bites simmer in garlic butter and rich au jus. With minimal prep, you get a flavorful, hearty main course. Serve with mashed potatoes, rice, or egg noodles for a complete dinner. This easy slow cooker recipe is ideal for weeknights or casual gatherings.

Why You’ll Love This Recipe
These steak bites are juicy and melt-in-your-mouth tender. Searing before slow cooking locks in flavor and creates a caramelized crust. Garlic and butter infuse the meat with richness. The au jus gravy keeps every bite moist and savory. Minimal hands-on time makes this recipe stress-free.
Ingredients That Make It Special
- Sirloin steak: tender and juicy when cooked slowly.
- Kosher salt & black pepper: simple seasoning for bold flavor.
- Vegetable oil: helps sear the steak to perfection.
- Sweet onion & garlic: aromatic base for the sauce.
- Beef stock & au jus mix: create a rich, savory gravy.
- Butter: adds creaminess and depth.
How to Make Slow Cooker Garlic Butter Steak Bites
Step 1: Season and Sear the Steak
Place bite-sized steak pieces in a bowl. Season with salt and pepper. Heat a skillet with vegetable oil. Sear steak pieces in batches until browned. Don’t cook through—just develop color and flavor.
Step 2: Add Aromatics
Transfer seared steak to a 6-quart slow cooker. Add thinly sliced onion and garlic. Stir gently to combine.
Step 3: Pour in Liquids and Au Jus
Add beef stock to the slow cooker. Sprinkle au jus gravy mix evenly on top. Lay butter slices over the steak and onions.
Step 4: Slow Cook
Cover and cook on high for 3–4 hours or low for 6–8 hours. Stir once per hour if possible. The meat will become tender and flavorful.
Step 5: Serve
Serve the garlic butter steak bites hot. Pair with mashed potatoes, egg noodles, or rice. Spoon the flavorful au jus gravy over the top.
Tips and Variations
- Use a hot skillet for searing to lock in juices.
- For more flavor, add a splash of Worcestershire sauce or fresh herbs.
- Store leftovers in the refrigerator up to 3 days.
- This recipe works well for meal prep or batch cooking.
Why This Recipe Works
Searing the steak first creates flavor and color. Slow cooking ensures tenderness and rich, juicy bites. Garlic butter enhances the savory taste. Minimal prep and fuss make it perfect for busy households. Every bite is indulgent, comforting, and satisfying.
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Slow Cooker Garlic Butter Steak Bites: Juicy, Tender, and Packed with Flavor
- Total Time: 4 hours 15 minutes
- Yield: 8 servings 1x
Description
Slow Cooker Garlic Butter Steak Bites are tender, juicy, and packed with rich garlic butter flavor. Perfect for weeknights or gatherings.
Ingredients
3 pounds sirloin steak, cut into bite-sized pieces
2 teaspoons kosher salt
1 teaspoon black pepper
1 Tablespoon vegetable oil
1 small sweet onion, thinly sliced
3 cloves garlic, thinly sliced
1 cup unsalted beef stock
1 ounce packet au jus gravy mix
4 tablespoons unsalted butter, thinly sliced
Instructions
1. Place steak in a bowl, season with salt and pepper, and toss to combine.
2. Heat a skillet over medium-high heat with vegetable oil. Sear steak pieces in batches until browned.
3. Transfer seared steak to a slow cooker with onions and garlic. Stir gently.
4. Pour in beef stock and sprinkle au jus mix over the steak. Lay butter slices on top.
5. Cover and cook on high 3–4 hours or low 6–8 hours. Stir occasionally if possible.
6. Serve hot with mashed potatoes, rice, or egg noodles, spooning gravy over the top.
Notes
Use a hot skillet to sear steak properly.
Add Worcestershire sauce or fresh herbs for extra flavor.
Leftovers store in the refrigerator for up to 3 days.
Works well for meal prep or batch cooking.
- Prep Time: 15 minutes
- Cook Time: 4 hours
- Category: Main Course
- Method: Slow Cooking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 330
- Sodium: 600
- Fat: 22
- Saturated Fat: 10
- Unsaturated Fat: 10
- Trans Fat: 0.1
- Carbohydrates: 4
- Protein: 30
- Cholesterol: 95

