INGREDIENTS
3 lb
ground beef
3
onions, minced, divided
1 1/2 cups
bread crumbs
1 lb
shredded pepperjack cheese
4
eggs
2
tomatoes, chopped and juices strained
2
bunches cilantro, chopped
1
serrano chile pepper, minced, divided
3
limes, juiced, divided
5
avocados, peeled and pitted
salt and ground black pepper
12
hamburger buns
1
head iceberg lettuce, cored and shredded