01 -
Heat olive oil in a skillet over medium heat. Add sliced onions and bell peppers and sauté until tender, about 5 to 7 minutes. Remove vegetables from skillet and set aside.
02 -
In the same skillet, add sliced beef. Season with garlic powder, salt, and black pepper. Sauté until the beef is browned and cooked through, approximately 5 to 6 minutes.
03 -
Return the sautéed onions and bell peppers to the skillet with the beef. Stir thoroughly to combine and remove from heat.
04 -
Arrange tortillas on a flat surface. Sprinkle half of the cheese on one side of each tortilla, add an even layer of beef and vegetable mixture, and top with the remaining cheese. Fold each tortilla in half to enclose the filling.
05 -
Heat a small amount of butter or oil in a clean skillet over medium heat. Place folded quesadillas in the skillet and cook for 2 to 3 minutes per side or until golden brown and cheese is melted.
06 -
Transfer grilled quesadillas to a cutting board. Slice into wedges and serve warm, accompanied by sour cream or preferred dipping sauce.