Set a pan on the stove on high heat
Add some olive oil
Saute half diced onion until translucent
Add green enchilada sauce and bring to a boil for about 5 minutes
Remove sauce from heat and set on the side
On a frying pan add some olive oil
Fry each tortilla for about 30 seconds on each side
Place tortillas on a plate with a paper towel to remove excess oil
Grab one tortilla at a time, add some chicken, roll it up, and set on a plate
Pour green sauce over the enchiladas while still hot
Garnish with onion, queso fresco, jalapeno pepper, and cilantro
Serve immediately.