Creamy, comforting scalloped potatoes layered with a rich cheddar sauce: the ultimate side dish.
8 steps, about 80 minutes start to finish.
Preheat oven to 375°F
Make roux: melt butter, add flour, cook 1-2 minutes
Gradually add milk and stock, stir until thickened
Season sauce with salt, pepper, and garlic
Layer potatoes and cheese sauce in baking dish
Repeat layers
Top with cheese
Bake covered for 45 minutes, then uncovered until golden
“Slice the potatoes thin and even, ideally on a mandoline. Thick or uneven slices cook at different rates, so some stay firm while others go to mush by the time the dish is done.”