Place 300g flour in a large bowl. Make a well in the center. Add water slowly; pour into well. Stir together, forming a ball. Turn onto a floured surface; knead until smooth and elastic, about 8-10 minutes, adding remaining flour if necessary to keep dough from sticking. Cover and let rest for 30 minutes in a fridge.
2
Meanwhile, in a large bowl, combine the filling ingredients. Cover and refrigerate until ready to use.
3
In a Medium pan, combine the sauce ingredients. Bring to a boil. Reduce heat; cover and simmer for 5 min.
4
Divide pasta dough into fourths; roll one portion to 1/16-in. thickness. (Keep pasta covered until ready to use.) Working quickly, place rounded teaspoonfuls of filling 1 in. apart over half of pasta sheet. Brush around filling with water to moisten. Fold sheet over; press down to seal. Cut into squares with a pastry wheel. Repeat with remaining dough and filling.
5
Bring a soup kettle of salted water to a boil. Add ravioli. Reduce heat to a gentle simmer; cook for 4-5 minutes or until ravioli float to the top and are tender. Drain. Spoon sauce over ravioli.