Preparation Melt butter in heavy large saucepan over medium heat. Add ginger, curry powder, and lemon peel; stir 30 seconds. Mix in cauliflower, bell pepper, and onions, then rice. Add 2 cups water and 3/4 teaspoon salt; bring to boil, stirring occasionally. Reduce heat to medium-low, cover, and simmer until water is absorbed and rice is tender, about 18 minutes. Remove from heat. Mix in peas; season with pepper. Cover and let stand 5 minutes.
Preparation Melt butter in heavy large saucepan over medium heat. Add ginger, curry powder, and lemon peel; stir 30 seconds. Mix in cauliflower, bell pepper, and onions, then rice. Add 2 cups water and 3/4 teaspoon salt; bring to boil, stirring occasionally. Reduce heat to medium-low, cover, and simmer until water is absorbed and rice is tender, about 18 minutes. Remove from heat. Mix in peas; season with pepper. Cover and let stand 5 minutes.