Sweet Potato Shepherds Pie

Name: Sweet Potato Shepherd’s Pie
Ingredients: 1 large sweet potato; 2 tablespoon unsalted butter, cubed; Pinch of salt; Pinch of black pepper; 1 teaspoon olive oil; 1/2 yellow onion, diced; 1 pound ground chicken or turkey; 2 cloves of garlic, minced; 3 tablespoon tomato paste; 1/2 teaspoon salt; Pinch of crushed red pepper; 1 tablespoon worcestershire sauce; 1 teaspoon fresh thyme leaves; 1/4 cup minced kale leaves; 1/4 cup frozen peas