Heat oven to 350°F.
Cook pasta according to package directions. Drain; place in 13 x 9 x 2-inch baking dish. Add peas, sprinkling evenly over noodles.
Brown kielbasa in nonstick skillet over medium high heat for 5 to 7 minutes. Add to pasta in baking dish.
Whisk together soup, milk, pepper sauce and black pepper. Add to baking dish and toss to coat.
Bake in 350°F oven for about 30 minutes or until heated through. Then let the casserole set for 5 minutes before serving.