Spinach Au Gratin - cooking recipe

Ingredients

4 (10 ounce) bags fresh spinach
1 1/2 tablespoons butter
1 1/2 tablespoons olive oil
3 leeks, thinly sliced-white part only
1 shallot, chopped
3 cloves garlic, chopped
1 cup heavy cream
4 large eggs
1 cup ricotta cheese
1/2 cup grated swiss cheese
1/4 cup grated parmesan cheese
salt, pepper

Preparation

preheat oven to 350.
in a large non stick skillet, saute spinach in batches until wilted, remove to strainer and squeeze dry.
melt butter and oil in a skillet.
add leeks, shallot, garlic, cook until soft 5 minutes.
remove from heat.
in a large bowl whisk eggs and cream.
whisk in cheeses, salt pepper, spinach and leek mixture.
pour into a greased 13x9x2 baking dish.
bake aprox 50-60 minutes until a knife inserted into center comes out clean.