Steamed Mussels with Wine and Saffron

lbs Mussels, fresh

Flat leaf parsley, fresh

Garlic cloves

Shallots, thinly sliced (about 1/2 cup), medium

Tomatoes, coarsely chopped (about 2 cups), medium

large pinch Saffron

Salt and freshly ground pepper, Coarse

Butter, unsalted

White wine, dry