01 -
Melt the butter in a skillet over medium heat, then gently sauté the minced garlic until fragrant, about 1-2 minutes.
02 -
Add the sliced beef sirloin to the skillet and cook until browned on all sides, approximately 5-7 minutes.
03 -
Incorporate the chopped spinach into the pan and cook until just wilted, about 2-3 minutes.
04 -
Boil the cheese tortellini in salted water according to package instructions until al dente, then drain thoroughly.
05 -
Add the drained tortellini to the skillet with beef and spinach, toss to combine evenly, and season with salt and pepper to taste.
06 -
Plate the mixture and garnish generously with freshly grated Parmesan cheese before serving.