1.   Add a little reserved pasta water if it gets too thick.

2.   Add the garlic-olive oil mixture and the reserved pasta water.

3.   Add reserved pasta water to bowl with pesto.

4.   Add reserved pasta water, a few tablespoons at a time, and toss until noodles have a silky coating.

5.   Add a little reserved pasta water to loosen it up, if necessary.

6.   If sauce is too dry, add some of the reserved pasta water.

7.   If sauce is too thick, add a little reserved pasta water.

8.   If it is dry, add a little reserved pasta water.

9.   The reserved pasta, tossed with olive oil to keep it from sticking, can be served au naturel in a bowl.