Creamy Baked Mac and Cheese

Ingredients

• 2 cups elbow macaroni
• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 2 cups whole milk
• 1 cup heavy cream
• 2 cups shredded sharp cheddar cheese
• 1 cup shredded mozzarella cheese
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/4 teaspoon ground mustard
• 1/4 teaspoon ground black pepper
• 1/4 teaspoon salt
• 1/2 cup breadcrumbs
• 1 tablespoon butter (for topping)