Bring a large pot of salted water to a boil.
Cook legume-based pasta according to package instructions, ensuring it remains al dente.
Heat olive oil in a large skillet over medium-high heat.
Add cubed chicken breast to the skillet and cook until golden brown and cooked through.
Add minced garlic and sauté for 1 minute until fragrant.
Stir in spinach and cook until just wilted.
Reserve 1/4 cup of the pasta cooking water, then drain the pasta.
Reduce skillet heat to low and stir in the Greek yogurt, parmesan cheese, and reserved pasta water to form a sauce.
Toss the pasta into the skillet until evenly coated.
Season with salt and pepper and serve immediately.