Philly Cheesesteak

Ingredients

• 1 tablespoon butter
• 1 1/2 tablespoons flour
• 1 cup milk
• 1/3 cup heavy cream
• 3 ounces extra sharp cheddar cheese slices
• 3 ounces smoked provolone slices
• Salt
• pepper
• 1 yellow onion, sliced
• Oil
• 14 ounces shaved steak
• 2 teaspoons salt
• 1 teaspoon pepper
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon smoked paprika
• 4 hoagie rolls
• Mayonnaise
• Crushed red pepper