Classic Au Gratin Potatoes Recipe – Creamy Cheesy Perfection
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Classic Au Gratin Potatoes bring tender, thinly sliced Yukon Gold potatoes to life in a rich, garlicky cheese sauce with bubbly golden edges and creamy layers. This timeless holiday side dish delivers pure comfort alongside ham, steak, turkey, or roast chicken. Foolproof roux-based sauce stays velvety without curdling. Uses best potatoes for perfect texture. Simple steps yield restaurant results in 90 minutes for 8-10 servings at ~350 calories each. Make-ahead friendly, reheats perfectly, endless variations.
Ingredients
Instructions
1. Preheat oven to 350°F. Butter 9×13 baking dish. Slice peeled potatoes ⅛-inch thin (mandoline ideal). Soak cold water 5 min, drain, pat bone-dry.
id=”instruction-step-2″>2. 2. Make roux: Melt 3 tbsp butter med heat. Whisk flour 2 min till golden. Slowly whisk milk + cream (prevent lumps). Add garlic, thyme, onion powder, salt, pepper, nutmeg. Simmer 5-7 min thick. <
id=”instruction-step-3″>3. 3. Off heat, stir cheeses (save ½ cup cheddar + all parm) till melted/smooth. Taste/adjust.
id=”instruction-step-4″>4. 4. Layer: ⅓ potatoes dish, ⅓ sauce, ⅓ remaining cheddar. Repeat x2, top parm.
struction-step-5″>5. 5. Cover foil, bake 60 min till tender fork pierce. Uncover, 400°F 20 min bubbly/browned. Broil 1-2 min crisp.
truction-step-6″>6. 6. Rest 15 min. Serves hot.
Nutrition
- Serving Size
- 1/10 recipe
- Calories
- 350 calories
- Sugar Content
- 3g
- Sodium Content
- 550mg
- Fat Content
- 22g
- Saturated Fat Content
- 14g
- Unsaturated Fat Content
- 6g
- Trans Fat Content
- 0g
- Carbohydrate Content
- 30g
- Fiber Content
- 3g
- Protein Content
- 12g
- Cholesterol Content
- 70mg
