3 yam and yukon gold potato salad Recipes

red-skinned sweet potatoes (yams), unpeeled , scrubbed, yukon gold potatoes, unpeeled , scrubbed, purple potatoes, unpeeled , scrubbed, mayonnaise, fresh lemon juice, dijon mustard, celery seeds, chopped green onions

orange fleshed yams, peeled and cut into 1 1/2 inch chunks, olive oil , plus, olive oil, divided (not extra-virgin), yukon gold potatoes , scrubbed but unpeeled, fresh lemon juice , plus, fresh lemon juice, dry mustard, salt, fresh ground black pepper, celery ribs, chopped, scallions, chopped, chopped fresh mint or 1/4 cup cilantro or 1/4 cup parsley