1 (10 oz.) pkg. frozen green peas
2 c. cubed, cooked ham, smoked
1 c. shredded cheddar cheese (4 oz.)
2 tbsp. chopped onion
3/4 c. mayonnaise
1 1/2 tsp. prepared mustard

Rinse frozen peas under cold water to separate. Drain. Mix all ingredients. Cover and refrigerate 2 hours.