Cook gemelli pasta according to package directions in salted boiling water
In a large skillet, melt butter over medium heat
Continue cooking butter, swirling occasionally, until it turns golden brown and develops a nutty aroma
Add minced garlic and fresh sage leaves to the brown butter
Cook for 1-2 minutes until fragrant
Drain pasta and add to the brown butter mixture
Toss pasta gently to coat evenly with brown butter sauce
Season with salt and pepper to taste
Serve immediately with grated Parmesan cheese and red pepper flakes if desired
