Healthy recipe for garlic potatoes au gratin for a tasty, rich, and filling side dish to accompany steak or chicken.
Melt butter in a large saucepan over low heat.
Add flour to the melted butter and stir until smooth. Cook for 1 minute while stirring constantly.
Gradually add milk and cream, cooking on medium heat until bubbly and thickened.
Stir in the sea salt, pepper, and garlic.
Pour 1/4 cup of the white sauce into a medium-sized casserole dish.
Slice the potatoes about 1/8" in thickness.
Place half the potato slices in the baking dish.
Add another 1/4 cup of sauce and then the remaining potato slices.
Finish by pouring in the the last half of the sauce.
Put on the lid and bake at 400 °F/204 °C for 55 minutes or until the potatoes are tender.
Remove the baking dish from the oven. Set the lid aside and sprinkle on the shredded cheddar cheese.
Place the dish uncovered back in the oven for an additional 5 minutes or until the cheese is melted, slightly browned and bubbly.
Remove from the oven. Cool for 5-10 minutes and serve.