Mushroom and Leek Bread Pudding

INGREDIENTS

8 cups

bread cubes from a rustic country loaf, 1/2" dice

2 tbsp

olive oil

1 tbsp

butter

2 oz

thick-cut bacon, diced

4 cups

sliced leeks white and green parts (about 4-6 leeks)

1 1/2 lb

cremini mushrooms, sliced

1 tbsp

chopped fresh sage

1/4 cup

dry white wine

Kosher salt and freshly ground pepper

1/3 cup

minced fresh-flat leaf parsley

large eggs

1 1/2 cups

heavy cream

1 cup

chicken stock

8 oz

grated Gruyere cheese, divided