Scalloped Potato Recipes - Au Gratin Recipes | Taste of Home

Ingredients

• 1/4 cup butter, cubed
• 2 small onions, finely chopped
• 1/3 cup all-purpose flour
• 3/4 teaspoon salt
• 1/2 teaspoon garlic powder
• 1/2 teaspoon white pepper
• 1-1/2 cups heavy whipping cream
• 3/4 cup chicken broth
• 1-1/2 cups shredded sharp yellow cheddar cheese
• 1 cup shredded sharp white cheddar cheese
• 9 cups thinly sliced peeled Yukon Gold potatoes