What kind of steak works best for cowboy butter steak sliders?

For cowboy butter steak sliders, tender and flavorful cuts like filet mignon, ribeye, or New York strip are recommended. These cuts stay juicy and tender when sliced thin for sliders. Choice-grade steaks offer good marbling that enhances the taste. Avoid tougher cuts, which may become chewy in slider form.

Can I cook cowboy butter steak sliders without a grill?

Yes, you can cook the steak indoors using a cast iron skillet. Heat the skillet over medium-high, sear the seasoned steaks for about 2-3 minutes per side, and baste them with cowboy butter while cooking. This method gives a similar rich flavor without needing a grill.

How do I caramelize onions for steak sliders?

To caramelize onions, sauté thinly sliced onions in butter over medium heat for about 15 minutes, stirring occasionally. Cook until they turn soft, golden, and sweet. Using a cast iron skillet on the grill or stovetop works well. Caramelized onions add a rich, savory note to your sliders.

What ingredients are in cowboy butter, and how do they affect flavor?

Cowboy butter contains butter, lemon juice and zest, garlic, Dijon mustard, paprika, cayenne pepper, dried thyme, red pepper flakes, chives, parsley, salt, and pepper. This mix delivers a tangy, spicy, and herbaceous flavor that complements the richness of the steak and enhances the overall taste of the sliders.

How should I store and reheat leftover cowboy butter steak sliders?

Let sliders cool completely, then wrap tightly in plastic wrap or place in an airtight container. Refrigerate them for up to 3-4 days. To reheat, use an oven or toaster oven at 350°F for 8-10 minutes until warmed through, which helps maintain the texture better than a microwave.

Cowboy Butter Steak Sliders Recipe With Garlic Sauce

Ingredients

Scale

3 to 4 filet mignon filets or about 1.5 to 2 pounds ribeye, sirloin, or tenderloin
Kosher salt, freshly cracked black pepper, and garlic powder, to taste
Canola or neutral oil, as needed
2 sticks unsalted butter, melted
2 tablespoons minced garlic
2 tablespoons Dijon mustard
1.5 tablespoons chopped fresh parsley
2 teaspoons red chili flakes
1 teaspoon cayenne powder
1 teaspoon lemon juice
1 tablespoon minced fresh chives (optional)
½ teaspoon paprika (optional)
½ teaspoon dried thyme (optional)
2 to 3 cups thinly sliced white or yellow onions
2 tablespoons beef tallow or unsalted butter
Cheese: 8 to 10 slices mozzarella or 1 cup shredded cheese of choice
8 to 12 slider-sized rolls
Melted butter, as needed for brushing

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Instructions

1. Grill or sauté the onions in a cast iron skillet with beef tallow or butter over medium heat until deeply golden and caramelized, about 45 to 60 minutes. Set aside.
2. In a bowl, mix melted butter with minced garlic, Dijon mustard, parsley, red chili flakes, cayenne powder, lemon juice, and optional ingredients. Set aside some for basting and brushing.
3. Season steaks with salt, pepper, and garlic powder; coat lightly with oil. Bring to room temperature before grilling.
4. Preheat grill to medium-high (375°F/190°C) with two-zone indirect heat.
5. Grill steaks, 3-4 minutes per side for filet mignon or 4-5 for sirloin and ribeye, brushing with cowboy butter. Aim for internal temp of 120°F for medium-rare. Let rest 10 minutes, then slice thinly.
6. Slice slider rolls; brush with cowboy butter. Layer cheese, steak slices, caramelized onions, and more cheese. Top with buns; brush tops with butter.
7. Place sliders on grill using indirect heat or bake in oven at 375°F (190°C) for 10-12 minutes until cheese melts and buns crisp. Rest 2-3 minutes, then serve with extra cowboy butter.

Last Step:

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Notes

🧅 Patience is key for caramelizing onions; cook low and slow for deeper flavor.
🥩 Ribeye or sirloin provide a richer flavor; filet for tenderness.
🧈 Cowboy butter doubles as a great glaze for other dishes like vegetables or seafood.

Author: Brandi Oshea
Prep Time: 15 minutes
Resting: 10 minutes
Cook Time: 70 minutes
Category: Appetizer
Method: Grilling or Baking
Cuisine: American
Diet: High-Protein

Nutrition

Serving Size: 1 slider
Calories: 1150
Sugar: 4g
Sodium: 3000mg
Fat: 59g
Saturated Fat: 36g
Unsaturated Fat: 20g
Trans Fat: 0g
Carbohydrates: 20g
Fiber: 3g
Protein: 120g
Cholesterol: 315mg