(NC)—Ontario Portabellas take a trip around the world with this interesting topping. Great as a luncheon dish or first course for a dinner party. Preparation Time: 10 minutes Cooking Time: 8 minutes 1 large ripe tomato, quartered and seeded 1 1 large ripe avocado peeled and pit removed 1 ¾ cup feta cheese, crumbled (3oz/90 [...]