In a large bowl, combine the sweet potatoes, red onion, apple, grapes, dried cranberries, sliced almonds, mayonnaise, and lemon juice, and season with salt and pepper to taste.
½ cup red onion, 1 apple, ⅔ cup grapes, ⅓ cup dried cranberries, ¼ cup sliced almonds, ½ cup homemade mayonnaise, 1 tbsp. freshly squeezed lemon juice, Sea salt and freshly ground black pepper to taste