Feta-Stuffed Tomatoes

4 large red tomatoes
4 ounces crumbled feta cheese
1/4 cup fine, dry breadcrumbs
2 tablespoons chopped green onions
2 tablespoons chopped fresh parsley
2 tablespoons olive oil
1/4 teaspoon salt
1/4 teaspoon pepper
Garnish: flat-leaf parsley sprig

1. Cut tomatoes in half horizontally. Scoop out pulp from each tomato half, leaving shells intact; discard seeds, and coarsely chop pulp.
2. Stir together pulp, feta cheese, and next 6 ingredients.
3. Spoon mixture evenly into tomato shells, and place in a 13/9-inch baking dish.
4. Bake at 350 degrees for 15 minutes. Transfer to a serving dish. Garnish if desired.