• Preheat the oven to 350°F. Spray an 8x8-inch baking dish with cooking spray. Set aside.

Hamburger Mixture

• To a medium skillet over medium heat, add ground beef, onion, garlic, hamburger seasoning, Worcestershire sauce, and seasoned salt.
• Cook for 8-10 minutes, or until no longer pink, breaking up the beef with a wooden spoon. Remove from heat; discard any excess grease as necessary.

Assembly

• Split rolls in half horizontally and place the bottom halves in the baking dish.
• Evenly pour about 2 tablespoons of cowboy butter over the bottom halves of the pretzel buns in the pan.
• Top with the ground beef mixture.
• Evenly place the jalapeños, bacon, and shredded cheese over the ground beef.
• Evenly distribute the crispy fried onions over the cheese.
• Place the top halves of the pretzel slider buns on top of the fried onions. Brush the tops of the rolls with 2 tablespoons cowboy butter.
• Cover the dish with aluminum foil and bake for 15 minutes, or until the cheese is hot and bubbly.
• Remove the foil and bake for an additional 3-5 minutes, or until the tops of the sliders turn a golden brown.
• Remove from oven. Slice and serve the sliders with the remaining cowboy butter brushed over the hot sliders or for dipping.