Caramelized Ribeye Steak Slider w/ Rosemary Horseradish : BBQGuys

Ingredients

• 2–3 New York strip or ribeye steak, 1.5” thick cuts
• 4–6 yellow onions
• 2 Tbsp unsalted butter
• 2–3 red bell peppers
• 2–3 yellow bell peppers
• 3–6 pinches coarse salt
• 3–6 pinches black pepper
• 9 slices provolone cheese, bisected
• 18 Hawaiian rolls or potato rolls, split
• 13 oz sour cream
• 3 Tbsp heavy whipping cream
• ¼ cup horseradish, prepared
• 2 ½ tsp rosemary, finely minced