Sweet Potato Shepherd's Pie

Name: Sweet Potato Shepherd's Pie
Cuisine: European, American, British
Ingredients: 2 medium sweet potatoes (peeled and chopped); 1 tbsp coconut milk; Salt to taste; 1 tbsp avocado oil; 1/2 white onion (diced); 2 cloves garlic (minced); 1/2 cup carrots (diced); 1/2 cup celery (diced); 1 lb ground beef; 1/2 tsp black pepper (omit for AIP); 1 tsp dried rosemary; 1 tbsp coconut aminos; 1 tbsp tomato paste (sub this for AIP); 1 tbsp parsley (chopped.)