Chicken Alfredo Sandwich

Ingredients

• 2 tbsp olive oil
• 1 lb chicken breasts skinless boneless
• 1 tbsp salt
• 2 tbsp butter
• 1 tbsp Pepper
• 1/2 tbsp garlic powder
• 1/2 tbsp onion powder
• 1/2 cup parmesan cheese
• 4 buns or bread
• 1 cup heavy cream
• 2 cups parmesan cheese
• 2 cups milk
• 1 tsp black pepper
• 4 tbsp butter
• 1 tsp garlic powder
• 4 tbsp flour
• Sliced tomato
• Spinach leaves