Vegetable Samosa Flatbreads

Name: Vegetable Samosa Flatbreads
Ingredients: 2 1⁄2 russet potatoes, scrubbed and diced (about 2 1⁄2 cups); 10 oz fresh or frozen cauliflower florets, chopped (about 2 1⁄2 cups); 2 1⁄2 carrots, diced (about 1 1⁄4 cups); 1 1⁄4 yellow onions, chopped (about 1 1⁄4 cups); 2 1⁄2 jalapeños; 6 1⁄4 oz frozen green peas (about 1 1⁄4 cups); 1 1⁄4 tablespoons mild curry powder; 1⁄2 cup unflavored plant milk; sea salt; freshly ground black pepper; 3⁄4 cup raw, unsalted cashews, soaked; 3⁄4 cup unflavored plant milk; 2⁄3 teaspoon garlic powder; 2⁄3 teaspoon onion powder; 5 whole-grain pita bread; 2⁄3 cup fresh cilantro, finely chopped