In a bowl, dissolve yeast in water. Stir in sugar, salt, oil and flour. Beat vigorously 20 strokes. Cover and let rest about 15 minutes.
With buttered fingers, pat crust into a greased 15x10x1-in. baking pan. Cover with pizza sauce. Top with next four ingredients. Sprinkle with Parmesan cheese. Bake at 425° for 15-20 minutes or until crust and cheese are lightly browned.