Sweet Potato -Eggplant Curry Ragout

This hearty vegan curry ragout is satisfying and will amaze your tastebuds.   what at you need: 1 pound sweet potatoes 1/2 large yellow onion 1 large eggplant 3 tablespoons of good olive oil 1/2 tablespoon of Chinese 5 spice 1/2 teaspoon sugar 14 oz unsalted crushed tomatoes 2 garlic cloves 1/2 pound thawed frozen…