One-Pan Garlic Butter Steak Bites with Mushrooms

Juicy garlic butter steak bites with mushrooms—an easy one-pan dinner ready in about 20 minutes. Big flavor, minimal cleanup.

If I need dinner that feels restaurant-level but I’m low on time, I make steak bites. The trick is simple: cut the steak into cubes, sear it hard and fast, and then let garlic butter do the rest. Add mushrooms and you’ve got a one-pan dinner that tastes way fancier than the effort required.

I like using sirloin because it cooks quickly and stays juicy. The most important step is patting the steak dry—dry steak browns better, and that brown crust is where the flavor lives. From there, it’s just a quick sauté for mushrooms and a buttery, garlicky pan sauce that coats everything.

This is also a “choose your own adventure” dinner. Serve it with mashed potatoes, rice, or a simple salad depending on the mood. I’ve even piled it into tortillas for steak tacos when I want something fun.

Easy upgrades (choose 1–2):
• Add 1 tsp Dijon mustard to the butter sauce for extra punch.
• Finish with a squeeze of lemon to cut the richness.
• Toss in a handful of baby spinach at the end until wilted.
• Add red pepper flakes if you want heat.
• Deglaze with 2–3 tbsp beef broth for a slightly saucier skillet.

What to serve with it:
• Mashed potatoes or roasted baby potatoes
• Steamed rice or buttered noodles
• Green beans or broccoli
• A crisp side salad with vinaigrette

Meal prep + leftovers:
I store leftovers in the fridge up to 3 days. To reheat, I prefer a skillet on low heat with a splash of water (or broth) so the steak doesn’t turn tough. Microwave works, but do short bursts and stop as soon as it’s warm.

One-Pan Garlic Butter Steak Bites with Mushrooms

Juicy steak bites seared fast in a garlic butter sauce with savory mushrooms—dinner in one skillet.

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Prep Time 10 minutes mins

Cook Time 12 minutes mins

Total Time 22 minutes mins

Servings: 4 servings

Course: Dinner

Ingredients Method Notes

Ingredients

  

Steak bites

• 1 1/2 lb sirloin steak, cut into 1-inch cubes
• 1 tbsp olive oil
• 1 tsp kosher salt
• 1/2 tsp black pepper

Mushrooms + garlic butter sauce

• 8 oz cremini mushrooms, sliced
• 3 tbsp butter divided
• 4 garlic cloves, minced
• 1 tbsp Worcestershire sauce optional but great
• 1 tbsp chopped parsley for serving

Method

 

1. Pat steak cubes dry and season with salt and pepper.
2. Heat a large skillet over high heat. Add olive oil.
3. Sear steak bites in a single layer 1–2 minutes per side until browned. Work in batches if needed. Remove to a plate.
4. Reduce heat to medium-high. Add 1 tbsp butter and mushrooms. Cook 4–5 minutes until browned.
5. Add garlic and cook 30 seconds, stirring constantly.
6. Add remaining butter and Worcestershire. Stir to melt and coat mushrooms.
7. Return steak (and juices) to the skillet. Toss 30–60 seconds just to warm through.
8. Top with parsley and serve immediately.

Notes

Don’t overcook: steak bites finish fast—warm through at the end only.
Swap: use chicken thighs (cook longer) or tofu (extra-crispy).
Storage: leftovers keep 3 days; reheat gently in a skillet with a splash of water.