01 -
Bring 2 1/2 cups of broth to a boil in a large pot over medium heat. Add the frozen cheese tortellini, stirring occasionally, and cook until the tortellini float to the surface, about 3 to 4 minutes. Drain and set aside.
02 -
Whisk together the remaining 1 1/2 cups of broth with 2 tablespoons cornstarch in a small bowl until fully dissolved. In a non-stick skillet, melt 4 tablespoons butter over medium-high heat until foamy. Add minced garlic and dried basil, stirring constantly for about 2 minutes until fragrant.
03 -
Add the ground beef to the skillet and cook until browned. Drain excess grease, then add chopped spinach and stir for 1 to 2 minutes until the spinach wilts.
04 -
Pour the broth-cornstarch mixture into the skillet with beef and spinach. Bring to a gentle boil while stirring continuously until the sauce thickens, about 2 minutes. Add the cooked tortellini and toss to coat evenly.
05 -
Transfer the tortellini mixture to a serving dish. Garnish with freshly grated Parmesan cheese and fresh basil if desired. Serve immediately.