Macaroni Salad(Serves 12)  
["1/2 lb. thick bacon slices", "12 oz. elbow macaroni", "2 c. mayonnaise", "1/2 c. buttermilk", "2 Tbsp. fresh lemon juice", "2 Tbsp. Dijon mustard", "1 Tbsp. sugar", "10 oz. crimini or button mushrooms, sliced", "1 (10 oz.) pkg. frozen peas, thawed and drained"]
["Cook bacon.", "Drain.", "Coarsely chop.", "Cook pasta in salted water.", "Drain, rinse in cold water and drain.", "Whisk mayonnaise, buttermilk, lemon juice, mustard and sugar.", "Add pasta, bacon, mushrooms and peas.", "Toss.", "Season with salt and pepper."]
["bacon", "elbow macaroni", "mayonnaise", "buttermilk", "lemon juice", "mustard", "sugar", "crimini", "frozen peas"]