Mini Shepherd’s Pie Bites

Name: Mini Shepherd’s Pie Bites
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: European, British
Ingredients: 1 pound yellow potatoes peeled and diced; 1 tablespoon olive oil; 1 cup peeled and small diced carrots; ½ cup small diced onion; ½ cup small diced celery; 1 teaspoon minced garlic; ½ teaspoon dried thyme; ½ teaspoon dried oregano; ½ pound 80/20 ground beef; 1 tablespoon flour; 2 tablespoons tomato paste; Dash hot sauce; ½ teaspoon Worcestershire sauce; ½ teaspoon gravy color such as Kitchen Bouquet; 1 cup water; ½ teaspoon kosher salt; ¼ teaspoon freshly ground black pepper; 1/3 cup milk; 6 ounces finely shredded sharp white cheddar cheese, divided; 1 12-ounce package won ton wrappers (48 pieces)