The tomato tart is a staple on most French tables throughout summertime.  Though the recipe doesn’t vary much, it is always a treat and can be enjoyed over and over throughout the season. Yield: 1 Ingredients: 1 pate feuilletee, prepared 3 tablespoons mustard 5-6  small ripe tomatoes , sliced, ends discarded 1 tablespoon rosemary, minced 1...