01 -
Generously spray a 9 x 13-inch baking dish with cooking spray to prevent sticking.
02 -
Heat vegetable oil over medium-high heat in a large skillet. Add ground beef and cook, breaking up with a spatula, until no longer pink, about 3 to 4 minutes.
03 -
Add diced onion to the skillet and cook, stirring frequently, until softened, approximately 4 to 5 minutes. Stir in minced garlic and cook for 30 seconds until fragrant.
04 -
Sprinkle taco seasoning over the meat and onion mixture. Add 1 tablespoon of water and stir to coat evenly, creating a slightly saucy filling.
05 -
Pour 1 cup of enchilada sauce evenly into the bottom of the prepared baking dish to create a flavorful base.
06 -
Lightly warm the flour tortillas just until they are pliable, to prevent cracking during rolling.
07 -
Place 1.5 tablespoons of shredded cheddar cheese in the center of each tortilla. Spoon an equal portion of the beef mixture on top of the cheese. Roll each tortilla tightly around the filling.
08 -
Place rolled tortillas seam side down in the baking dish over the sauce. Pour remaining 1 cup of enchilada sauce evenly over the rolls and sprinkle with the remaining cheddar cheese.
09 -
Bake in a preheated 350°F (177°C) oven for 20 minutes until cheese is fully melted and sauce is bubbling gently at the edges.
10 -
Remove from oven and immediately top with sliced black olives and green onions. Slice into portions and serve hot.