Hamburguesas Mexicanas

Ingredients (14)

• + 3 pounds ground beef add to pantry
• + 3 onions, minced, divided add to pantry
• + 1 ½ cups bread crumbs add to pantry
• + 1 pound shredded pepperjack cheese add to pantry
• + 4 eggs add to pantry
• ✓ 2 tomatoes, chopped and juices strained
• + 2 bunches cilantro, chopped add to pantry
• + 1 serrano chile pepper, minced, divided add to pantry
• + 3 limes, juiced, divided add to pantry
• ✓ 5 avocados, peeled and pitted
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + 12 hamburger buns add to pantry
• + 1 head iceberg lettuce, cored and shredded add to pantry