Cheesy Hashbrown Casserole

Instructions

1. Preheat and Prep:
   Preheat oven to 350°F (175°C). Grease a 9×13 inch casserole dish generously.

2. Sauté the Aromatics:
   In a medium pot over medium heat, heat olive oil. Sauté diced onions until golden. Add minced garlic and cook until fragrant.

3. Craft the Roux:
   Stir in flour to form a roux. Slowly whisk in chicken stock and milk until smooth and velvety, without lumps.

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