Creamy and delicious cauliflower and cheese casserole

Ingredients

• 1 head of cauliflower, cut into florets
• 2 cups of shredded cheddar cheese
• 1 cup of milk
• 1/4 cup of butter
• 1/4 cup of all-purpose flour
• 1 teaspoon of salt
• 1/2 teaspoon of black pepper
• 1/2 teaspoon of garlic powder
• 1/2 cup of bread crumbs (optional)