Ingredients
- 2 lbs potatoes (Yukon Gold or Russet), thinly sliced
- 1 medium onion, thinly sliced
- 3 tbsp butter
- 3 tbsp all-purpose flour
- 2 cups milk (whole milk preferred)
- 1 cup heavy cream
- 1½ cups shredded cheddar cheese (optional but delicious)
- 2 cloves garlic, minced
- 1 tsp salt
- ½ tsp black pepper
- ½ tsp paprika
- ½ tsp dried thyme (optional)
Instructions
- Preheat oven
Set to 375°F (190°C). Grease a baking dish. - Make the sauce
- Melt butter in a saucepan
- Add garlic → cook 1 minute
- Stir in flour → cook 1–2 minutes
- Slowly whisk in milk + cream
- Simmer until thickened (about 5 minutes)
- Add salt, pepper, paprika, thyme
- Layer the potatoes
- Layer half of the potatoes in dish
- Add half of the onions
- Pour some sauce over
- Repeat layers
- Top with cheese (if using)
- Bake
- Cover with foil → bake 45 minutes
- Remove foil → bake another 25–30 minutes
- Potatoes should be tender and top golden
- Rest & serve
Let sit 10 minutes before serving (helps it set)
Tips for the BEST results
- Slice potatoes evenly (thin = creamier texture)
- Yukon Gold = buttery flavor, Russet = softer texture
- Add a little extra cheese on top for a crispy crust
- Let it rest—this makes a huge difference!
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