Homemade Japanese Curry

Name: Homemade Japanese Curry
Cuisine: Asian, Indian, Japanese
Ingredients: 1 lb vegan chicken (or leave out); sweet onion diced; 1 tsp garlic powder; 1 1/4 tsp ground ginger; olive oil; 3 potatoes peeled and diced; 3 carrots quartered and sliced; 4 cups water; 2 peeled apples, honeycrisp gala elstar fuji; 1 Tbsp agave; 2 tsp salt; 1 tsp cane or coconut sugar; 3 Tbsp margarine; 4 Tbsp white flour; 1 Tbsp S&B curry powder; 1 Tbsp garam masala (Rani brand); 1/4 tsp chili powder; Cooked white rice