Chinese Tofu in Black Bean Sauce Vegan Vegetarian Recipe

Chinese Tofu in Black Bean Sauce with green Beans -  Vegan Vegetarian Recipe
300g Tofu diced
1 cup green Beans cut
2 Cloves Garlic chopped
2 tbsp Black Bean Garlic Sauce
1/2 tsp Chili Powder
1/2 tsp Starch (Tapioca)
1 tbsp Rice Vinegar
1 tbsp Soy Sauce
1 tbsp Rice Wine
1 tsp Sugar
2 tbsp Water
3 tbsp Oil