Prep Time: 20
Cook Time: 18
Serves: Makes: 32 appetizers
Heat oil in large skillet over medium heat. Add onions; cook 5 minutes, stirring occasionally. Add tomatoes and chilies; cook 5 minutes or until most of liquid evaporates, stirring occasionally. Stir in 2 tablespoons cilantro.
Spread beans evenly over bread shells; top with tomato mixture and sprinkle with cheese. Place on large baking sheet.
Bake in preheated 450°F oven 18 minutes or until cheese is melted and crust is browned and crisp. Cut each bread shell into 8 wedges; sprinkle with remaining cilantro. Garnish with sour cream and avocado, if desired.