In a saucepan, heat cream with garlic and spices to a low simmer. Remove from heat.
Peel sweet potatoes. Using a mandoline, slice into 1/8" slices.
Melt 1 tablespoon butter. Spread melted butter evenly over a 7x11 baking dish. Add potato slices evenly in pan.
Slowly pour cream over all the potatoes.
Take two tablespoons of butter and cut thin slices adding over top of potatoes.
Sprinkle cheese on top.
Cover dish tightly with tin foil cutting three slits in it to allow steam to escape.
Bake in a preheated 400°F. oven for 40 minutes until potatoes are tender.
Uncover and place under broiler for 2-4 minutes to brown top.
Recipe by taylor68too.
