Shrimp Fajita Bowl

quinoa, uncooked*

raw shrimp, peeled, deveined and tails removed

homemade spice rub

extra virgin olive oil, divided

large onion, peeled and cut into thin strips

red or orange bell pepper, seeded, cored and cut into thin strips

head of iceberg lettuce

large or 2 small avocados

cilantro, chopped

sour cream