Step 1

In a large pot of boiling water, cook the tortellini according to the package's directions. Drain and set aside.

Step 2

Meanwhile, as the tortellini is cooking, melt the butter in a large skillet set over medium-high heat.

Step 3

Add the mushrooms and sauté for 4-5 minutes or until browned. Add the drained tortellini and cook until lightly toasted and browned around the edges. Add the garlic and cook just until fragrant.

Step 4

Remove from the heat and stir in the pesto, basil, and parmesan. Serve immediately.