Wild West Bison Burger With California Avocado - California Avocados

Ingredients

• 1 yellow onion, peeled and sliced into thin rings
• 1 lb. lean ground bison
• 1 1/2 tsp. stone ground mustard
• 1/2 Tbsp. fresh ground black pepper
• 1 tsp. kosher salt, or to taste
• 1 ripe, Fresh California Avocado, peeled, seeded and quartered
• 5 Tbsp. all-purpose flour
• 3 Tbsp. olive oil, or more as needed
• 4 whole grain, sesame seed buns
• 1/4 cup barbecue sauce
• 2 oz. dill or bread and butter pickle chips