California Avocado, Rosemary Chicken, and Pancetta Panini - California Avocados

Ingredients

• 6 boneless and sinkless chicken breast halves
• As needed Olive oil, as needed
• 2 tsp. finely chopped fresh rosemary
• 3 cloves garlic, chopped finely
• 1 Califoria avocado
• 1 Tbsp. lemon juice
• 1 tsp. finely chopped lemon zest
• As needed Salt, as needed
• As needed Pepper, as needed
• 3 Tbsp. mayonnaise
• 12 pieces focaccia, about 4" X 5" each
• 2 medium tomatoes, sliced
• 6 slices (rounds) pancetta (Italian bacon), fried crisp. Two to three slices of bacon may be substituted for each slice of pancetta.
• As needed Arugula leaves as needed