Salmon and Sweet Potato Patties with Curried Tartar Sauce

1 cup ¼-inch diced sweet potato, skin on (about 1 medium sweet potato)

1 (14.75-ounce) can of salmon

⅓ cup finely diced onion (about ½ medium onion)

1 tablespoon Dijon mustard 

1 tablespoon nonfat Greek yogurt

1 tablespoon lemon juice (about ½ lemon)

½ teaspoon salt

1 teaspoon turmeric

4 tablespoons whole wheat panko breadcrumbs (or more, to taste)

1 tablespoon olive oil

Curried Tartar Sauce Ingredients:

½ cup nonfat Greek yogurt

1 teaspoon Dijon mustard

½ teaspoon Madras curry powder (or less, to taste)

2 tablespoons finely diced crisp apple (such as Fuji), skin on 

Salt and lemon juice to taste