- Heat the water for the pasta.
- Heat the olive oil in a medium-sized saucepan over medium heat.
- Add the garlic and red pepper flakes, and saute about 30 seconds (will sizzle a little).
- Stir in the mushrooms and cook until brown and juicy. Don't worry if the mushrooms initially stick to the bottom of the pan; they will eventually start releasing a lot of liquid.
- Mix in the tomatoes, rosemary, and salt, and cook, stirring often, for 10 minutes. Lower the heat if splattering starts.
- Serve over linguine or other pasta. Top with parmesan or mozarella if desired.
Source: Jeanne Lemlin, Vegetarian Classics