1. Cook pasta as per package instructions.
2. Add the peas to the pasta while cooking so that they are blanched simultaneously.
3. Drain the pasta and peas.
4. Reserve 1 ladleful of the pasta water.
5. In a pan add the oil or butter.  Add the garlic and sauté for a few seconds.
6. Add the mushrooms and sauté for a minute, till they sweat.
7. Add the pasta and peas and stir.
8. Season with salt and pepper. Add the reserved pasta water and mix.
9. Add cream, lemon juice and zest. Stir once or twice and take it off the heat. Garnish with herbs and cheese shavings. Serve hot or cold.

Enjoy your meal!