Bring a large pot of water to boil for pasta; cook bowtie until al dente. Toss with a bit of olive oil and keep warm.
Heat large skillet over medium heat, adding 1 tbsp olive oil, then butter. Add green onion (save a bit of the green part for later), lemon zest, broccoli,white wine and red pepper flakes. Season lightly with salt & pepper, toss together. Cover skillet and cook a few minutes and broccoli is bright green. Add peas, cook a few minutes, keeping their bright color. Add shrimp and toss gently, cooking about 2 minutes until shrimp are heated through.
Add lemon juice,green onion, sprig of thyme and remaining butter and olive oil.
Place warm pasta in serving bowl, sprinkle with salt, pepper & 1/4 c parmesan cheese. Remove sprig of thyme; add shrimp and vegetable mixture. Toss lightly, sprinkle with remaining parmesan and serve.