| 1 | Place tortilla on work surface. Spread the pesto on one half of the tortilla. |
| 2 | Place the cheese over the pesto. |
| 3 | Sprinkle with tomatoes and parmesan cheese. Fold tortilla in half. |
| 4 | Melt butter in a skillet over medium-high heat or on a griddle set at 325 degrees F. Cook quesadilla until cheese is melted and the tortilla is golden brown. |
| 5 | Cut into quarters and serve immediately. |