Phyllo Samosas Baked with Coconut Cauliflower Mash

Name: Phyllo Samosas Baked with Coconut Cauliflower Mash
Ingredients: ½ head of cauliflower, cut into small pieces (about 4 cups); 12 ounces lite coconut milk; 4 fluid ounces water; ½ teaspoon salt; 1 tablespoon canola oil; 2 medium Yukon gold potatoes, diced; 1 small sweet potato, diced; 1 small yellow onion, diced; 2 cloves garlic, minced; 1 cup garden peas, fresh or frozen; 2 teaspoons curry powder; 8 sheets phyllo dough, thawed; 2 egg whites; Cooking spray for baking sheet; 2 teaspoon olive oil (optional); 1 teaspoon parsley, finely minced (optional)