4 lg. tomatoes, ripe but firm
1/4 c. dry sherry
Salt and pepper to taste
1 tsp. oregano
1/2 c. mayonnaise
1/4 c. grated Parmesan cheese

Preheat oven to 300 degrees. Cut tomatoes in half, place in a shallow baking dish, cut side up, and prick with a fork. Sprinkle with sherry, allowing it to be absorbed into pulp. Sprinkle with salt, pepper and oregano. Place in the oven for about 5 minutes. Remove from the oven and turn heat to broil. Top tomato halves with mayonnaise, then dust with Parmesan cheese. Broil until lightly browned. Serve immediately. 8 servings.