Philly Cheesesteak – Blackstone Products (MX)

Ingredients

• 2 pounds thinly sliced beef (Rib-eye, roast, sirloin, tri-tip roast, rump roast or flank steak)’
• 1 yellow onion, cut into ¼-inch slices
• 1 green bell pepper, cut into ¼-inch slices
• 1 red bell pepper, cut into ¼-inch slices
• 1 teaspoon garlic powder, divided
• 2 tablespoons unsalted butter, divided
• 3 tablespoons red wine or apple cider vinegar
• 12-18 slices provolone cheese
• 1 jar Cheez Wiz
• 6 hoagie rolls, split
• Vegetable oil, for the griddle