Smoked Trout Hash with Mustard Greens - Healthy Living

Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 pound precooked diced red-skinned potatoes , (about 2 1/2 cups; see Note)
• 2 tablespoons whole-grain mustard
• 2 tablespoons cider vinegar
• 1/8 teaspoon salt , or to taste
• 1/8 teaspoon freshly ground pepper
• 4 ounces smoked trout , skin removed, flaked
• 4 cups thinly sliced mustard greens