In a large skillet, heat the vegetable oil over medium-high heat. Add the chopped onion and garlic, and cook until the vegetables are soft and translucent.
Add the ground beef to the skillet and cook until browned, stirring occasionally.
Add the ground cumin, dried oregano, cayenne pepper, and salt to the skillet. Stir to combine and cook for an additional 2-3 minutes.
Warm the corn tortillas in the microwave or on a skillet until soft and pliable.
Pour 1/2 cup of enchilada sauce into the bottom of a 9x13 inch baking dish.
Take each tortilla and dip it into the remaining enchilada sauce, coating both sides. Fill each tortilla with a generous scoop of the beef mixture and roll it up tightly. Place the rolled-up tortilla seam-side down into the baking dish.
Repeat with the remaining tortillas until all the filling is used up.
Pour the remaining enchilada sauce over the top of the rolled-up tortillas, making sure to cover them completely.
Sprinkle the shredded Monterey Jack cheese over the top of the enchiladas.
Bake in the preheated oven for 20-25 minutes, or until the cheese is melted and bubbly.
Garnish with chopped cilantro and serve with sour cream and sliced jalapeños on the side.
Notes
Tips and Tricks
Use pre-shredded cheese to save time.Warm the tortillas in the microwave for a few seconds before rolling to make them more pliable.Make the enchilada sauce ahead of time and store it in the refrigerator until ready to use.