Place broccoli and mushrooms on baking sheet. Drizzle with olive oil.
Cook at 375F / 190C for 30 minutes
Drizzle sliced onion with olive oil, add freshly cracked black pepper. Sauté until carmelized.
Cook pasta until tender.
Gather all cooked ingredients to add to a large baking dish. Add jar of red curry sauce. Mix all ingredients together. Put back in oven to finish cooking. Bake at 375F/190C for 10 minutes or until warm.