Potatoes Au Gratin with Bacon

russet potatoes ((about 4 medium potatoes))

slices thick cut bacon cooked and chopped

grated Gruyere cheese ((about 8 ounces))

butter, cut into 8 cubes

heavy cream

large onion, thinly sliced

bay leaves

garlic cloves, minced

fresh parsley, chopped ( (or 2 tsp dried))

chopped fresh chives (or tsp dried)

fresh thyme (or 1/2 tsp. dried)

cayenne pepper

ground nutmeg

salt

pepper