In large dry skillet heat walnuts over medium heat 3 to 5 minutes or until lightly toasted, stirring frequently. Remove from skillet; set aside. In same skillet cook sweet pepper, onion, and garlic in hot oil over medium heat 5 minutes or just until tender, stirring occasionally.
Add rice to skillet. Cook and stir to heat through. Stir in nuts, parsley, lemon peel and juice, and 1/4 teaspoon salt. Makes 4 side-dish servings.