1 c. elbow macaroni
1 (6 1/2 oz.) can tuna, flaked
2 hard-boiled eggs, chopped
4 oz. sharp Cheddar cheese, shredded
1/2 c. onion, chopped
1/2 c. mayonnaise
1 tbsp. lemon juice
1 tsp. salt
1/4 tsp. pepper

Cook macaroni according to package directions; drain. Toss together with remaining ingredients and place in 2-quart dish. Bake at 350 degrees for 15 minutes. Serves 4-6.