1In bowl, mix tuna salad, cheese, olives and bell pepper.
2Separate or cut dough into 4 long rectangles (if using crescent rolls, press perforations to seal). Spoon tuna mixture in center of each rectangle. Fold dough over filling; press edges with fork to seal. Place on ungreased cookie sheet.
3Bake at 375°F 12 to 15 minutes.