Cheesy Scalloped Potatoes with Garlic and Cheddar

Ingredients

• 2 lbs Russet Potatoes, peeled and sliced into 1/8 inch rounds
• 2 lbs Yukon Gold Potatoes, peeled and sliced into 1/8 inch rounds
• 1 medium sweet onion, thinly sliced
• 1/4 cup butter
• 4 cloves garlic, minced
• 1/4 teaspoon onion powder
• 1/4 teaspoon smoked paprika
• 1/2 tablespoon dried parsley
• 1 teaspoon sea salt
• 1/2 teaspoon freshly ground black pepper
• 1/4 cup all-purpose flour
• 1 cup low-sodium chicken broth
• 2 cups 2% milk
• 2 cups freshly grated sharp cheddar, reserve 1/2 cup for top
• 1 cup freshly grated white cheddar, reserve 1/4 cup for top