Grilled Turkey Burgers with California Avocado and Caramelized Onions - California Avocados

Ingredients

• 2 ripe Fresh California Avocados, peeled, seeded, and cut into 1/2-inch dice
• 3 Tbsp. Extra virgin olive oil
• 3 Tbsp. freshly squeezed lime juice
• 2 Tbsp. chopped fresh oregano
• As needed Salt, to taste
• As needed Freshly ground black pepper, to taste
• 2 Tbsp. unsalted butter
• 1 large red onion, diced
• 1/4 cup white vinegar
• 1 tbsp. cracked black pepper
• 1 lb. ground turkey (dark meat, if available)
• 2 Tbsp. Extra virgin olive oil
• 4 brioche hamburger buns, split and grilled or toasted
• 4 slices sharp white cheddar cheese
• 1 Roma tomato, cored and cut into 1/4-inch dice