Grilled Chicken and Chimichurri Tostadas

Ingredients

• 24 Frescados Yellow Corn Tortillas
• 1 1/4 cups finely chopped fresh parsley
• 1 cup extra-virgin olive oil
• 3/4 cup finely chopped fresh cilantro
• 1/3 cup red wine vinegar
• 3 tbsp lemon juice
• 3 cloves garlic, minced
• 1 tsp salt
• 3/4 tsp hot pepper flakes
• 1/2 tsp dried oregano
• 1/3 cup olive oil
• 1 tbsp lemon zest
• 2 tbsp lemon juice
• 2 tbsp Worcestershire sauce
• 1 tsp each salt and freshly cracked pepper
• 1/2 tsp brown sugar
• 12 boneless skinless chicken breasts (about 4 lb)
• 3 ripe avocados, pitted and peeled
• 1/3 cup sour cream
• 2 tbsp lime juice
• 1 tsp salt
• Oil, for deep frying
• 1 1/2 cups shaved red onion
• 1 1/2 cups chopped tomatoes
• 12 lemon wedges (optional)