1.   Coarsely chop mushrooms and set aside.

2.   Drain and chop the mushrooms.

3.   Chop the mushrooms and quarter the tomatoes.

4.   Chop the mushrooms, discarding any hard stems, and set aside.

5.   Coarsely chop the mushrooms.

6.   Coarsely chop the mushrooms, adding them to the pot as you chop.

7.   Finely chop mushrooms and sprinkle with lemon juice.

8.   Place in food processor, and pulse just until mushrooms are chopped.