Add the white beans along with the warm broth or reserved pasta water into a blender or food processor. Blend for 30–60 seconds, or until the mixture becomes completely smooth, creamy, and silky with no visible bean pieces remaining. The sauce should resemble a light cream sauce in texture. If it looks too thick or paste-like, slowly add another small splash of warm broth and blend again until the consistency becomes soft, pourable, and velvety.

Pour the blended white bean sauce into a small saucepan or skillet and place it over low heat. Warm the sauce gently while stirring occasionally with a spoon or silicone spatula to prevent sticking. Avoid letting the sauce boil because high heat can cause the texture to become too thick, grainy, or dry. Slow gentle heating keeps the sauce smooth and creamy.

Add the cooked chicken and cooked pasta directly into the warm sauce. Gently fold everything together until the chicken and pasta are evenly coated in the creamy white bean mixture. Stir carefully so the pasta keeps its shape and doesn’t break apart. If the sauce starts thickening too much while heating, add another spoonful of warm broth or pasta water to loosen it and restore the creamy consistency.

Sprinkle in the grated parmesan cheese while keeping the heat very low. Stir continuously until the cheese melts smoothly into the sauce and creates a richer, more savory flavor. Freshly grated parmesan melts more evenly than pre-shredded cheese and gives the sauce a smoother texture overall.

Season the pasta lightly with garlic powder and a pinch of salt, then stir again to distribute the seasoning evenly throughout the sauce. Taste before adding extra salt because parmesan cheese already adds natural saltiness. If you want a deeper flavor, you can also add a small pinch of black pepper or Italian seasoning at this stage.

Spoon the creamy chicken pasta into a serving bowl while still warm and creamy. Finish with optional toppings like freshly cracked black pepper, chopped parsley, chili flakes, or extra parmesan cheese for added flavor and presentation. Serve immediately while the sauce is silky and the pasta is perfectly coated for the best texture and comfort-food experience.