Breast of Veal Stuffed with Mushrooms and Swiss Chard

Yield:	6 Servings
Categories:

1		Breast of veal; (6 pounds)
1		Lemon ; juice of
1/4	c	Extra-virgin olive oil
2	tb	Soy sauce
2	tb	Chopped fresh rosemary
1/2	c	Dry white wine
1 1/2	lb	Crimini mushrooms; washed, trimmed and diced
3		Stalks celery; diced
2	lb	Swiss chard; washed, dried, and chopped, (OR fresh spinach)
		Salt and pepper
1	tb	Chopped fresh thyme
1		Egg
6		Potatoes; peeled and quartered