Bring a large pot of water to a boil. Cook pasta according to package directions reserving 1 cup of pasta cooking water.
Meanwhile in a skillet sauté shallot with half the olive oil over medium heat for 3 minutes, increase heat and add tomatoes and broccoli, blister both for 2 minutes then stir in 1 cup of pasta cooking water and simmer for 1 minute.
Drain pasta, toss with veggies over the heat for one minute.
Drizzle with remaining olive oil and sprinkle with walnuts before serving.
