Combine first 4 ingredients in a bowl; stir well. Spread 1/2 teaspoon tomato paste over each bread slice. Top each evenly with cheese mixture. Broil 4 inches from heat 2 minutes or until hot. Garnish with fresh basil leaves or thyme sprigs, if desired. Serve warm. Yield: 25 servings. Calories 41 (26% from fat), protein 1.6g, Fat 1.2g (Sat 0.7g, Mono 0.3g, Poly 0. 1g), Carb 5.7g, Fiber 0.2g, Chol 4mg, iron 0.3mg, Sodium 105mg, calcium 27mg app125