01 -
Slice the beef into thin strips. Chop mixed bell peppers and onion evenly.
02 -
Heat olive oil in a large skillet over medium heat. Add chopped onions and bell peppers and cook, stirring occasionally, until vegetables are softened, about 5 to 7 minutes.
03 -
Increase heat to medium-high. Add the sliced beef, season with salt and pepper, and cook, stirring frequently, until meat is browned, approximately 3 to 5 minutes.
04 -
Reduce heat to low. Place provolone slices evenly over the beef and vegetable mixture, allowing cheese to melt fully.
05 -
Spoon an equal portion of the beef-cheese mixture down the center of each tortilla. Roll tortillas tightly around the filling.
06 -
Return roll-ups seam-side down to the skillet. Cook over medium heat, turning as needed, until all sides are golden brown, about 3 to 4 minutes total.