Cheesy Potatoes & Ham | Cooking Professionally

Ingredients

• 3 tablespoons butter, plus more, to taste, for greasing the baking dish
• 1 small yellow onion, diced
• 3 tablespoons all-purpose flour
• 1 cup half-and-half
• 1/2 cup whole milk
• salt, to taste
• ground black pepper, to taste
• 1 teaspoon garlic powder
• 1/2 teaspoon Worcestershire sauce
• 1/2 teaspoon onion powder
• 1/4 teaspoon paprika
• 4 large russet potatoes, peeled and thinly sliced
• 1 1/2 cups hickory-smoked ham, chopped
• 1/2 cup cheddar cheese, grated
• 1/2 cup Monterey Jack cheese, grated
• scallions, to taste, sliced, for garnish