Spaghetti with Brussels Sprouts and Sausage Breadcrumb Topping

In a pot of salted boiling water, cook the pasta until al dente. Meanwhile, in a large nonstick skillet, heat the 1/4 cup of olive oil. Add the brussels sprouts and sausage and cook over moderately high heat, stirring, until the sausage is browned and cooked through, about 5 minutes. Stir in the panko and cook until crisp, 3 minutes. Stir in the chives and season with salt and pepper. Drain the spaghetti. Top with the brussels sprout mixture, drizzle with olive oil and serve with lemon wedges.