01 - Melt the butter in a large skillet over medium heat. Add the minced garlic and cook, stirring, until fragrant and lightly golden, about 1 to 2 minutes.
02 - Stir in the tomato paste and red pepper flakes. Cook for 1 minute, allowing the flavors to bloom.
03 - Pour in the chicken broth or vegetable broth, stir to combine, and bring to a gentle simmer.
04 - Add the heavy cream, stirring until the sauce becomes smooth and creamy.
05 - Sprinkle in grated Parmigiano Reggiano. Season with salt and black pepper to taste. Stir until cheese is melted and sauce has thickened.
06 - Remove skillet from heat. Fold in chopped basil until evenly distributed.
07 - Gently toss the cooked ravioli with the sauce. Serve immediately, garnished with additional basil or cheese if desired.