Trout hash

Name: Trout hash
Ingredients: 2-3 Sweet potato, peeled and diced in 1/2 cubes; 1 tablespoon Olive oil; 1 tablespoon Large shallot, peeled and diced; 2 Cloves garlic, diced; 1 Can trout in oil; 2 teaspoons Kosher salt; 1 teaspoon Fresh ground black pepper; 2 tablespoons Capers; 2 Green onion, diced, green only