Ingredients

• 1 (16 ounce) package macaroni
• 1 tablespoon cider vinegar
• 1 cup mayonnaise
• 1/2 cup chopped white onion
• 1 (4 ounce) jar sliced pimento peppers, drained
• 1/2 cup chopped dill pickles
• 1/2 cup chopped green bell pepper
• 6 slices American processed cheese, cut into 1/2-inch piece
• 1 (6 ounce) can pitted ripe olives, drained
• 4 hard-cooked eggs, chopped
• salt and ground black pepper to taste