Cut the chicken breast into small pieces.
Slice the onion and bell pepper thinly.
Heat olive oil in a pan and cook the chicken breast over medium heat.
Season the chicken breast with salt and pepper.
Add the onion and bell pepper, and stir-fry together.
Add rose sauce and mix well while simmering.
Spread the prepared filling evenly over one tortilla.
Sprinkle mozzarella cheese and cover with another tortilla.
Cook in a pan until both sides are golden brown.
Cut into bite-sized pieces.