Cheddar-Pasta Toss

Ingredients

• 1 1/2 c. uncooked tri-colored rotini
• 1/2 (10 oz.) pkg. frozen English peas
• 1 c. julienne strips cooked ham
• 1 (8 oz.) pkg. Cheddar cheese, cut into 3/4-inch cubes
• 1/2 c. chopped celery
• 1/2 c. sliced ripe olives
• 3 green onions, chopped
• 1/4 c. plus 2 Tbsp. mayonnaise
• 2 Tbsp. red wine vinegar
• 1 Tbsp. olive oil
• 1/4 tsp. garlic powder
• 1/4 tsp. pepper
• 1/8 tsp. dried whole oregano
• 1 (4 oz.) jar sliced pimiento, drained
• lettuce leaves