INGREDIENTS
1 1/2 lb
russet potatoes (about 3 medium sized potatoes), peeled and cut into 1-inch chunks
1
teaspoon of olive oil
8 oz
fresh spinach, washed, dried, and stemmed
1/2 lb
Italian sausage (we like 1/2 sweet and 1/2 hot Italian sausage), out of casing, broken into small pieces
1
large red onion (about 3/4 lb), peeled and sliced thin
1
small garlic clove, minced
1 1/2 tbsp
unsalted butter, plus extra to grease the baking dish
1/3 cup
heavy cream
1 tbsp
cider vinegar
nutmeg
1/2 tsp
salt
1/4 tsp
pepper
1 cup
shredded Gruyere or Swiss cheese