Place all pasta ingredients in a big bowl. Mix untill ingredients untill well combined. Remove dough and knead on a flat surface to form a soft, smooth and elastic dough. Leave to rest for 30 mins. Divide into 4 portions. Then cut the dough into shape as desired by machine or by hand.
Blend all pesto ingredients untill well mixed and store in a jar and keep refrigerated.
FOR THE PREPARATION : Bring a large pot of salted water to boil. Cook pasta untill all dente. Strain and add in 1-1/2 tbsp of pesto and some cherry tomatoes, mix well. And serve with Parmesan cheese and shredded guava paste.