Bhutanese Pineapple Rice with Tofu

Name: Bhutanese Pineapple Rice with Tofu
Ingredients: * 2 cup red cooked red rice; * 1 tsp grapeseed oil; * 1 small red onion, diced; * 4 clove garlic, minced; * 1 tbsp minced ginger; * pinch of salt; * 2 tsp thai red curry paste; * 1 tbsp water; * 1 tbsp tamari; * 2 tsp agave nectar; * 1/2 cup lightly packed fresh coriander, chopped, plus extra for garnish; * 1 can chopped pineapple; * 1 cake firm tofu, diced (optional)