1. Preheat oven to 375° F. slice bread into 20 slices, about 1/2-inch thick. Arrange in a single layer on baking stone or cookie sheet.
1. Place chicken in large bowl. Finely chop onion. Add onion, bell pepper, 1/2 cup of the cheese, mayonnaise, pressed garlic, seasoning mix and salt to batter bowl; mix well.
2. Using a medium scoop or large spoon, scoop chicken mixture evenly over bread slices; gently flatten filling with back of scoop. Slice tomatoes thinly. Top each bead slice with one tomato slice; sprinkle with remaining cheese.
3. Bake 15-18 minutes or until edges of bread are golden brown and cheese is melted. Remove from oven; sprinkle with cilantro. Serve warm. Yields 20 appetizers.