Air Fryer Sausage Peppers and Onions Sandwiches - Sprinkles & Sea Salt

Ingredients

• 1 19oz package mild or hot Italian sausage
• 1 large yellow onion, sliced thin
• 3 bell peppers sliced thin*
• 2 tbsp olive oil
• 2 tsp garlic powder
• 1 tsp salt
• dash ground black pepper
• 5 sub rolls
• 15 slices provolone cheese