In A Small Bowl, Combine The First 10 Ingredients. Spread Baguette Slices With Butter; Top Each With A Cheese Slice. Place On Ungreased Baking Sheets. Broil 3-4 In. From The Heat For 3-5 Minutes Or Until Cheese Is Melted. With A Slotted Spoon, Top Each Slice With About 1 Tablespoon Tomato Mixture.