Heat butter in a pan over medium heat.

Add grated zucchini to the pan and stir for 2 minutes, or until just softened.

In a blender or food processor, combine cream cheese, parmesan cheese, milk, garlic, and mint sprigs.

Blend until smooth.

Add the cheese mixture to the zucchini in the pan.

Stir gently until heated through.

Cook pasta in a large saucepan of boiling water until just tender.

Drain the pasta.

Return the drained pasta to the saucepan.

Gently stir in the zucchini mixture to coat the pasta.