01 -
Form ground chuck into a single large patty approximately 0.5 inch wider than the diameter of your slider buns. Generously season both sides with beef rub and refrigerate for 30 minutes to firm.
02 -
Heat avocado oil in a large skillet or griddle over medium-high heat. Add chopped red bell peppers, sweet onion, and poblano peppers. Cook for 6 to 8 minutes, stirring frequently, until beginning to soften. Season with salt, then continue sautéing another 4 to 6 minutes until vegetables are tender and slightly caramelized. Remove from heat and set aside.
03 -
In a medium saucepan over medium heat, bring heavy cream to a gentle simmer. Gradually whisk in white queso cheese until fully melted and smooth. Stir in Rotel diced tomatoes and green chilies, then season with salt and pepper. Maintain sauce over low heat to keep warm, stirring occasionally.
04 -
Reheat the griddle to medium-high. Sear the chilled beef patty for 4 to 5 minutes, then flip and season the other side with additional beef rub. Continue cooking for 2 more minutes. Top with the sautéed vegetables and cover evenly with American cheese slices. Let cook until the cheese is melted and the meat is cooked through.
05 -
While the beef finishes cooking, toast the slider buns on the griddle or in a clean skillet until golden brown. Spread a layer of garlic aioli on the bottom halves of the buns.
06 -
Slice the cooked beef patty into slider-sized portions. Place a patty section, melted cheese and vegetables onto each prepared bottom bun. Add any additional toppings if desired. Cap with the top bun. Serve immediately, drizzling with warm queso or serve queso on the side for dipping.