Yield: Makes 6 servings
Preheat oven to 400 degrees F
Cut each tomato in half. Place cut side up in a shallow baking dish; sprinkle cut surface with salt and pepper.
Combine the mayonnaise, mustard, onion and sugar. Spoon a portion on top of each tomato; spread to cover cut surface. Sprinkle with bread crumbs.
Bake in 400 degree F oven 15 minutes or until topping is lightly puffed and tomatoes are hot.
Recipe can be prepared in advance and refrigerated until ready to bake. Baking time may need to be increased slightly.
Please note that some ingredients and brands may not be available in every store.