• 2 tsp. olive oil
• 1 smallonion\cooked, chopped
• 1 clove garlic, minced
• 1/4 cup chopped walnuts
• 1/2 Lbs. macaroni
• 1/2 cup lowfat ricotta cheese
• 2 Tbs. skim milk
• 2 Tbs. lime juice
• 1/4 tsp. salt (optional), or to taste

Heat oil in a heavy nonstick skillet over medium heat. Saute onion, garlic and walnuts 3-4 minutes or until onion is softened. Remove from heat and set aside. Cook macaroni in boiling water until al dente. Combine onion mixture and remaining ingredients in a food processor or blender and process until smooth. Add additional milk if sauce seems too thick. Drain macaroni and return to saucepan. Pour walnut sauce over macaroni and toss.