Kale and Sweet Potato--Stuffed Vegan Ravioli

Ingredients (for 20 servings)

• 1 cup — spelt flour
• 2 tbsp — potato flour
• 1 tsp — sea salt
• 0.5 cup — plant-based milk
• 1 cup — onion
• 1 lb — sweet potato
• 6 clove — garlic
• 1 tsp — rosemary
• 2 cup — kale leaves ribs removed
• 1 tbsp — nutritional yeast
• 0 whole — black pepper
• 2 tbsp — potato starch or cornstarch
• 4 cup — purchased oil-free marinara sauce