Cheesy Potato Casserole Side Dish

This Cheesy Potato Casserole features layers upon layers of thinly sliced potatoes, a creamy cheese sauce, and extra cheese on top! Easily my favorite potato side dish!

Ingredients:

• 5 Pounds Russet Potatoes, peeled and sliced thin
• 1 Yellow Onion, minced
• 8 Cloves Garlic, minced
• 4 Tablespoons Unsalted Butter
• 1/4 Cup All-Purpose Flour
• 1 Dash Nutmeg
• 1 1/2 Cups Chicken Broth, (vegetable works too)
• 1 1/2 Cups Heavy Cream
• 1 Tablespoon Salt
• 1 Teaspoon Freshly Ground Black Pepper
• 1 Teaspoon Montreal Chicken Seasoning
• 8 Ounces Sour Cream
• 2 1/4 Cups Cheddar Cheese
• 2 1/4 Cups Cheddar Cheese
• 1 Cup Freshly Grated Parmesan